The equation of the horizontal asymptote for this function f(x) = (1/2)^x + 3 is option D y = 3.
When do we get horizontal asymptote for a function?The line y = a is horizontal asymptote if the function f(x) tends to 'a' from the upside of that line y = a, or from downside of that line.
The function is given as;
f(x) = (1/2)^x + 3
The function is Exponential functions.
Exponential functions have a horizontal asymptote.
The equation of the horizontal asymptote is option D y = 3.
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Evan has a storage unit that he keeps all his garden tools in. It measures 4 feet by 312 feet by 2 feet.A prism has a length of 4 feet, height of 2 feet, and width of 3 and one-half feet.What is the maximum amount of supplies that the storage unit can hold
The maximum amount of supplies that the storage unit can hold is 28 ft³
How to calculate the volume of a rectangular prism?
For us to calculate the volume or amount of space in Evan's prism, we will first of all calculate the volume of rectangular prisms. Formula is;
V = Length × width × height.
We are given;
length = 4 feet
width = 3.5 feet
height of the prism = 2 feet.
Thus;
V = 4 * 3.5 * 2
V = 28 ft³
Thus, the maximum amount of supplies that the storage unit can hold is 28 ft³
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Can the sine ratio of an acute angle be greater than 1?
No, the sine ratio of an acute angle cannot be greater than 1. The sine of an acute angle is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse in a right triangle. Since the side opposite the angle is shorter than the hypotenuse, the ratio will always be less than one.
To what does sin equate?
In contrast to the cosine of an angle, which corresponds to the ratio of the nearby side to the hypotenuse, the sine of an angle is the ratio of the opposite side to the hypotenuse.
It's important to note that if you were to give an angle value greater than 90 degrees, the sine of the angle will be a negative value, but the ratio will still be less than one.
The sine ratio is a value between -1 and 1, and it is impossible for the sine of an acute angle to be greater than 1.
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Which system is represented in the graph?
y < x2 – 2x + 4
y < x2 + 4
y ≥ x2 – 2x + 4
y < –x2 + 4
y ≥ x2 – 2x + 4
y ≤ –x2 + 4
y > x2 – 2x + 4
y ≤ x2 + 4
The system that is represented by the graph is inequality 3
What is system of inequalities?
A group of two or more inequalities in one or more variables is referred to as a system of inequalities. When a problem requires a variety of solutions and those solutions must satisfy multiple constraints, systems of inequalities are used.
We are given the graph of inequalities and given 4 choices out which 1 is the correction representation of the inequalities given in the graph
Now As you can see one the parabolas open downwards that means the term x^2 is negative in that case where as the other parabola opens upwards hence the term x^2 is positive.
So second and third options are the options which satisfies this criteria
if we put x = 0 in the second equation of both the inequalities we get y= 4
This criteria is satisfied by only inequality 3 hence the correct system of inequality is inequality 3
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Answer:y ≥ x2 – 2x + 4
y < –x2 + 4
Step-by-step explanation:
A company making tires for bikes is concerned about the exact width of its cyclocross tires. The company has a lower specification limit of 22.5 mm and an upper specification limit of 23.5 mm. The standard deviation is 0.20 mm and the mean is 23 mm.
What is the process capability index for the process? ANSWER ____0.83________
Cpk = min ( 23.5-23/3(0.2), 23 – 22.5/3(0.2))
= min (0.83, 0.83)
= 0.83
The process capability index (Cpk) for the cyclocross tire width manufacturing process is 0.83.
The process capability index (Cpk) is a measure of how well a process meets the specified requirements or tolerances. It takes into account both the variability of the process and the distance between the process mean and the specification limits.
In this case, the process mean (μ) is 23 mm, the lower specification limit (LSL) is 22.5 mm, and the upper specification limit (USL) is 23.5 mm. The standard deviation (σ) is given as 0.20 mm.
To calculate Cpk, we use the formula: Cpk = min((USL - μ)/(3σ), (μ - LSL)/(3σ)). Plugging in the values, we have Cpk = min((23.5 - 23)/(3(0.20)), (23 - 22.5)/(3(0.20))) = min(0.83, 0.83) = 0.83.
A Cpk value of 0.83 indicates that the process is capable of producing tires within the specified limits, with a relatively small deviation from the target value of 23 mm. This suggests that the manufacturing process is performing well and meeting the company's requirements for cyclocross tire width.
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Find the quotient.
(12x^2 - 10x-12) = (3x + 2)
2x-3
4x + 6
3х + 2
4x - 6
(12x^2-10x-12)÷(3x+2)
=(2x-3)(3x+2)÷(3x+2)
=(2x-3)
Step-by-step explanation:
Answer would be (2x-3)
juliet rented a car for one day from a company that charges $80 per day plus $0.15 per mile driven. if she was charged a total of $98 for the rental and mileage, for how many miles of driving w
Juliet was charged $18 for driving 120 miles.
Given,
The rent of car per day = $80
The charge for per miles driven = $0.15
Juliet was charged a total of $98 for the rental and mileage.
We have to find the total miles of driving;
Here,
Charge for miles driven = Total charge - Rent of car for a day
Charge for miles driven = 98 - 80
Charge for miles driven = $18
Now,
Total miles driven = Charge for miles driven / Charge for one mile
Total miles driven = 18/0.15
Total miles driven = 120
That is,
Juliet was charged $18 for 120 miles of driving.
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Can someone please help me with this problem?
Answer: 18/9 if not it's something along that-
Step-by-step explanation:
7^2 = 49 so like 49-31 equals 18 and the denominator 3^2 = 9 , so if it's not 18/9 then it's like 1/2 or something bc 9 + 9 is 18 yk-
If the weight of packages is multiplied by 6/5 (fraction) the result is 24.5 pounds. What is the weight of the package (in pounds)?
The weight of the package in pounds is 24.42 pounds.
According to the question,
We have the following information:
If the weight of packages is multiplied by 6/5 (fraction) the result is 24.5 pounds.
First, we will convert this fraction into a number with a decimal point.
So, we have:
6/5 = 1.2
Now, let's take the weight of the packages to be x pounds.
So, we have the following expression:
1.2x = 24.5
x = 24.5/1.2
(1.2 was in multiplication on the left hand side. So, it is in the division on the right hand side.)
x = 20.42 pounds
Hence, the weight of the package in pounds is 20.42 pounds.
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Simplify the following rational expressions. 1) 4x3/8x2
2) (5x + 20)/(7x + 28)
3) (3x + 9)/(3x + 15)
4) (x - 3)/(x2 - 9)
5) (x2 - 2x + 1)/(x - 1)
Answer:
1) x/2
2) 5/7
3) x + 3 / x + 5
4) 1/x + 3
5) x + 1
Step-by-step explanation:
I'm assuming that the numbers right after the x's are the exponents of those x's since you didn't include the ^ symbol before the exponent number.
Steps for 1:
You can simplify the fraction 4/8 to 1/2. Now you have x³/2x². Next, simply the x's. When dividing variables of the same letter with exponents, subtract the bottom exponent from the top. In this case, it's 3 - 2 = 1. After dividing, move the x to the top. You are now left with x/2.
Steps for 2:
The first step is to factor both 5x + 20 and 7x + 28. To do this, find the greatest common factor (GCF) that you can take out for each. The GCF of 5x + 20 is 5, so you factor 5 out of 5x and 20. After doing so, for the numerator (the top), you're left with 5(x + 4).
Same thing for 7x + 28. The GCF is 7, so you factor 7 out of 7x and 28. After doing so, you're left with 7(x + 4) for the denominator (the bottom).
Now, your fraction should look like this: 5(x + 4) / 7(x + 4). Since x + 4 appears in the numerator and denominator, it cancels out (just cross both out). You're now left with 5/7.
Steps for 3:
Same steps from 2. First, factor 3x + 9. The GCF of 3x and 9 is 3, so factor 3 out of both. After doing so, you're left with 3(x + 3) for the numerator.
The GCF of 3x and 15 is also 3, so factor 3 out of both. After doing so, you're left with 3(x + 5) for the denominator. Your fraction now is 3(x + 3) / 3(x + 5). Since 3 appears on the top and bottom, it cancels out (just cross both out). You're now left with x + 3 / x + 5.
Steps for 4:
Similar steps as the ones above.
x - 3 can't be factored, but x² - 9 can be factored. After you factor x² - 9, your entire fraction is now x - 3 / (x + 3)(x - 3). Since x - 3 appears on the top and bottom, they cancel out (cross them out). You're now left with 1/x+3.
Steps for 5:
Similar steps as the ones above.
x - 1 can't be factored, but x² - 2x + 1 can be factored. After factoring, your entire fraction is now (x - 1)(x - 1) / x - 1. Since x - 1 appears on the top and bottom, they cancel out (cross them out). You're now left with the remaining x - 1.
Hope this helps!
Data and statistics:
what is each students favorite restaurant at my school
Therefore, we estimate that about 7 sixth graders should be chosen to create a representative sample, given that 9 seventh graders were chosen.
What is statistics?Statistics is a branch of mathematics that involves the collection, analysis, interpretation, presentation, and organization of data. It provides methods for summarizing and describing data, making inferences about populations based on samples, and testing hypotheses. Statistics is used in many fields, such as business, economics, health care, social sciences, engineering, and more, to make decisions and draw conclusions based on data. Some common techniques used in statistics include descriptive statistics (e.g., mean, median, mode, standard deviation), probability theory, hypothesis testing, regression analysis, and sampling methods.
Here,
To estimate the number of sixth graders that should be chosen to create a representative sample, we can use the proportion of seventh graders in the sample and assume that the proportions of each grade in the sample should match the proportions in the population. We know that the sample contains 9 seventh graders, but we don't know the total size of the sample yet. We can use the following formula to estimate the sample size:
sample proportion = population proportion
where
sample proportion = number of seventh graders in the sample / total sample size
population proportion = number of seventh graders in the population / total population size
We can plug in the values we know:
9 / total sample size = 180 / (160 + 180 + 140)
Simplifying the right-hand side:
9 / total sample size = 0.4
Multiplying both sides by total sample size and simplifying:
total sample size = 9 / 0.4
total sample size ≈ 22.5
This means that the sample size should be about 22.5 students. Since we can't choose a fractional number of students, we should round up to the nearest whole number, giving a total sample size of 23 students.
To estimate the number of sixth graders in the sample, we can use the proportion of sixth graders in the population and assume that the proportion should be the same in the sample:
number of sixth graders in the sample / total sample size = 160 / (160 + 180 + 140)
Simplifying the right-hand side:
number of sixth graders in the sample / total sample size = 0.32
Multiplying both sides by total sample size and simplifying:
number of sixth graders in the sample = 0.32 * 23
number of sixth graders in the sample ≈ 7
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Complete question:
A population of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eighth graders. Nine seventh graders were part of a random sample of the population chosen to participate in a survey. For the sample to accurately represent the population, about how many sixth graders should be chosen for each students favorite restaurant at my school?
Ceasia needs a new pair of basketball shoes for the upcoming season. The price of the shoes she wants is $98.99. The tax on the shoes is 5.2%. What
is the exact price Ceasia will pay for her shoes tax included?
Answer:
$104.14
Step-by-step explanation:
5.2% of $98.99
= $5.15
Price of the shoes + tax
= $98.99 + $5.15
= $104.14
if x=5, y=-3, and z=-7 z=-7, evaluate 3x^2-9y/yz
Choose the function whose graph is a parabola.
y = |x + 9|
y = 3\sqrt{x}
y = x 2 - 10
y = -2x
Answer:
y=x2 -10
Step-by-step explanation:
it is because x is squared
3) What is the cost of 12.7 gallons
of gasoline at $2.15 per gallon?
Madison bought a bike that was marked down by $25.00. If the percent it was marked
down was 20%, what did the bike originally cost
The original cost of the bike is $20
What is percentage ?
A percentage is a figure or ratio stated as a fraction of 100 in mathematics. Although the abbreviations "pct," the percent sign, "%," is frequently used to indicate it. A % is a number without dimensions and without a standard measurement.
In essence, percentages are fractions with a 100 as the denominator. We place the percent symbol (%) next to the number to indicate that the number is a percentage. For instance, you would have received a 75% grade if you answered 75 out of 100 questions correctly on a test (75/100).
A fraction of 100 is represented as a number or ratio known as a percentage. A dimensionless relationship between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals.
Let x be the discount
20/100 = x / 25
1/5 = x/25
x = 25/5
x = 5
The discount is 5
The original cost is
$25 - $5
= $20
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A theater has 1,464 seats. The seats are arranged into 62 equal-sized "regular" sections plus one "premium" front-row section. How many seats are in a regular section? How many seats are in the premium front-row section? Explain.
In the theater, that have 1,464 seats.
1426 seats are in "regular" sections
38 seats are "premium" front-row section
How to find the number of seats in the "regular" sectionsThe seat arrangement is solved by division. In this case the 62 equal spaced is the divisor while the number of seats is the in each row is the quotient
The division is as follows
1464 / 62
= 23 19/31
The number of seats in the regular section is 23 * 62 = 1426
The remainder will be arranged in premium front row
using equivalent fractions
19 / 31 = 38 / 62
the remainder is 38 and this is the seat for the premium front row section
OR 1464 - 1426 = 38 seats
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x² – 9
x² - 2x - 15
Simplify
Answer:
x^2 - 9 = (x + 3)(x - 3) = (x - 0)^2 - 9.
x^2 - 2x - 15 = (x - 5)(x + 3) = (x - 1)^2 - 16.
I assume you mean factored form?
it is impossible to construct a frame for a(n) . a. sampled population b. finite population c. target population
It is not impossible to construct a frame for a finite population or a target population, but it is impossible to construct a frame for a sampled population.
A frame is a list or map of all the units in a population, which is used to select a sample for a survey or study. If a population is finite, it is possible to list all the units in the population and create a frame. Similarly, if the target population is well-defined and can be identified, a frame can be constructed.
However, if the population is sampled, the frame cannot be constructed because the population is unknown and constantly changing. Therefore, it is impossible to construct a frame for a sampled population.
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The complete question is :
Is it impossible to construct a frame for a sampled population, a finite population, or a target population?
A questionnaire was given to students. The first question asked was "How stressed have
you been in the last week on a scale of 0 to 10 with O being not stressed at all and 10
being as stressed as possible?" The responses are shown to the right.
a. Stress rating describes the greatest number of students is: 8 out of 10
b. There are 156 students that responded with this rating.
How to calculate the stress rating?A questionnaire is a research tool made up of a list of questions used to collect data from respondents during a survey or statistical analysis. Typically, a research questionnaire will contain both closed-ended and open-ended questions.
From the table, the total students will be the addition and this will be:
= 6 + 2 + 5 - 16 + 20 + 20 + 11 + 21 + 24 + 19 + 12
= 156
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Write 0.4444 as a fraction in lowest terms:
Answer:
1111/2500
Step-by-step explanation:
Find the first three terms of Taylor series for F(x) = sin(51x) +ex-5, about x = 5, and use it to approximate F(10).
The first three terms of the Taylor series for \(F(x) = \sin(5x) + e^{x-5}\) about \(x = 5\) are \((\sin(25) + 1) + (5\cos(25) + 1)(x-5) + \frac{-25\sin(25) + 1}{2!}(x-5)^2\). Using this approximation, \(F(10)\) can be computed numerically.
To find the Taylor series for \(F(x) = \sin(5x) + e^{x-5}\) about \(x = 5\), we need to find the derivatives of \(F(x)\) at \(x = 5\) and evaluate them.
First, let's find the derivatives of \(F(x)\):
\(F'(x) = 5\cos(5x) + e^{x-5}\)
\(F''(x) = -25\sin(5x) + e^{x-5}\)
\(F'''(x) = -125\cos(5x) + e^{x-5}\)
Next, let's evaluate the derivatives at \(x = 5\):
\(F(5) = \sin(25) + e^{0} = \sin(25) + 1\)
\(F'(5) = 5\cos(25) + e^{0} = 5\cos(25) + 1\)
\(F''(5) = -25\sin(25) + e^{0} = -25\sin(25) + 1\)
\(F'''(5) = -125\cos(25) + e^{0} = -125\cos(25) + 1\)
Now, let's write the Taylor series for \(F(x)\) about \(x = 5\) using the evaluated derivatives:
\(F(x) = F(5) + F'(5)(x-5) + \frac{F''(5)}{2!}(x-5)^2 + \frac{F'''(5)}{3!}(x-5)^3 + \cdots\)
Substituting the evaluated values, we have:
\(F(x) = (\sin(25) + 1) + (5\cos(25) + 1)(x-5) + \frac{-25\sin(25) + 1}{2!}(x-5)^2 + \frac{-125\cos(25) + 1}{3!}(x-5)^3 + \cdots\)
To approximate \(F(10)\), we can use the first three terms of the Taylor series:
\(F(10) \approx (\sin(25) + 1) + (5\cos(25) + 1)(10-5) + \frac{-25\sin(25) + 1}{2!}(10-5)^2\)
Calculating the approximation using the given values, we can find the numerical approximation for \(F(10)\).
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consider the set of all possible five-card poker hands dealt fairly from a standard deck of fifty-two cards. 1. how many atomic events are there in the joint probability distribution (i.e., how many five-card hands are there)? 2. what is the probability of each atomic event? 3. what is the probability of being dealt a royal straight flush? four of a kind?
1. The set of all possible five-card poker hands dealt fairly from a standard deck of fifty-two cards, there are 2,598,960 possible atomic events in the joint probability distribution, or 2,598,960 different five-card hands.
2. The probability of each atomic event is 1 in 2,598,960, or 0.0000003852.
3. The probability of being dealt a royal straight flush is 1 in 649,740, or 0.000154. The probability of being dealt four of a kind is 1 in 4,164, or 0.000240.
To break this down, a royal straight flush is made up of a sequence of five cards, all of the same suit, and the sequence must include an Ace, King, Queen, Jack, and 10.
There are 4 suits in a standard deck of 52 cards, and therefore 4 different possible royal straight flushes.
A four of a kind is made up of four cards of the same rank, with one other random card. There are 13 ranks in a standard deck of 52 cards, so there are 13 different possible four of a kind combinations.
To calculate the probability of being dealt a royal straight flush, we take the number of royal straight flushes (4) divided by the total number of possible hands (2,598,960).
To calculate the probability of being dealt four of a kind, we take the number of four of a kind (13) divided by the total number of possible hands (2,598,960).
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can you please explain slope, the y-intercept, how to find the equation and how to graph it properly?
Answer:
Slope is a line on a graph, you find slope with the m=yx+b equation. Y intercept is the point that the line crosses the y axis at, it is represented by b. X and Y in the equation are your coordinates. You graph it by starting at your y-intercept and going up in a straight line following the slope calculated.
Step-by-step explanation:
Which one of the following institutions was successful in curbing the power and abuses of American business leaders before 1900? The ICC The American Presidency The Supreme Court None of the above One of the elements that provided a major contribution to the evolution of Populism in America was... The events of the Haymarket Riot ඊ ඊ ඊ The Cross of Gold Speech The growing political militancy of rural American Grange organizations ඊ The corruption in Tammany Hall Which one of the following was not actually responsible for initiating the Spanish American War Оа. Pressure from powerful newspaper czars like Hearst and Pulitzer Fear of the development of another Black republic like Haiti Pressure from powerful government figures like Henry Cabot Lodge and Theodore Roosevelt President Mckinley's great desire to go to war against Spain The Oregon incident highlighted... America's need for developing a shorter ship route between the Pacific and Atlantic Ocean The first successful airplane flight The beginning of the Philippine Insurrection The cure for yellow fever All of the following are examples of Roosevelt's presidential policies except: The Roosevelt Corollary Interfering in the Mexican Revolution Strengthening and enforcing anti-trust legislation Sending the Great White Fleet on a cruise as a show of American power
The Supreme Court was successful in curbing the power and abuses of American business leaders before 1900. The Oregon incident highlighted America's need for developing a shorter ship route between the Pacific and Atlantic Oceans.
All of the following are examples of Roosevelt's presidential policies except interfering in the Mexican Revolution.
1. Before 1900, the institution successful in curbing the power and abuses of American business leaders was the Interstate Commerce Commission (ICC). The ICC was established in 1887 and had the supreme authority to regulate interstate railroad rates, which helped reduce the unfair practices and power of railroad monopolies.
2. One of the elements that provided a major contribution to the evolution of Populism in America was the growing political militancy of rural American Grange organizations. The Grange movement aimed to address the economic hardships faced by farmers and advocated for political and social reforms to benefit the agrarian community.
3. One factor that was not responsible for initiating the Spanish-American War was President McKinley's great desire to go to war against Spain. In fact, McKinley initially sought a peaceful resolution to the Cuban crisis but was eventually pressured into war by powerful newspaper czars, influential government figures, and public opinion. One of the elements that provided a major contribution to the evolution of Populism in America was the growing political militancy of rural American Grange organizations. Pressure from powerful newspaper czars like Hearst and Pulitzer was not actually responsible for initiating the Spanish American War.
4. The Oregon incident highlighted America's need for developing a shorter ship route between the Pacific and Atlantic Oceans. This incident demonstrated the strategic importance of constructing a canal across Central America, which later resulted in the creation of the Panama Canal.
5. All of the following are examples of Roosevelt's presidential policies except interfering in the Mexican Revolution. While Theodore Roosevelt was a proponent of the "Big Stick" diplomacy and actively sought to exert American influence, he did not directly involve the United States in the Mexican Revolution. The other listed policies were indeed part of his presidential actions.
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Using the Distributive Property to factorize the equation 3x2 + 24x = 0, you get
Answer:
3x(x+8)=0
x=0,-8
This is how to solve for x.
Alan draws the two triangles below.
Alan claims that the two triangles are similar. Which of the following methods could he use to prove his claim? Select TWO that apply.
A
show that all pairs of corresponding sides are congruent
B
show that the triangles are congruent, as all congruent triangles are similar
C
show that a sequence of rigid motions and dilations carries one triangle onto the other triangle
D
show that all pairs of corresponding angles are congruent and all corresponding sides are
Answer:
A & D
Step-by-step explanation:
Both use SSS to prove triangles congruent.
Therefore, if all three sides of two triangles are the same, then the triangles are said to be congruent. If we have a side, an angle between the sides, and then another side that is congruent, we know they are congruent. In other words, side, angle, side.
"If and only if the following two conditions are met, two triangles are congruent.
Three corresponding sides have the same value.
The measurements of the three related angles are all equal."
given instance,
Think about the triangles PQR and ABC.
If A = P, B = Q, and C = R
AB = PQ, BC = QR, and AC = PR as well.
If ABC and PQR are congruent triangles, then ABC PQR is the way to write it.
As a result, the following are true statements concerning congruent triangles:
The length of each of the three pairs of corresponding sides is the same.
The three pairs of comparable angles in each case are all of the same size.
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and r(x) = 3x² If P(x)=x²-3x²-1/2 x + 10, Q(x) = ²x² - 1x ²-1/2 X- subtract R(x) from the sum of P(x) and Q(x). 6x + 1 then find p(x) + q(x) - r(x). 3 5 and R(x) - 34 X + the 4X
Answer:Z
cos x dx = sin x + C
Z
sec2 x dx = tan x + C
Z
sec x tan x dx = sec x + C
Z
1
1 + x2
dx = arctan x + C
Z
1
√
1 − x2
dx = arcsin x + C
8.1 Substitution
Needless to say, most problems we encounter will not be so simple. Here’s a slightly more
complicated example: find
Z
2x cos(x
2
) dx.
This is not a “simple” derivative, but a little thought reveals that it must have come from
an application of the chain rule. Multiplied on the “outside” is 2x, which is the derivative
of the “inside” function x
2
. Checking:
d
dx sin(x
2
) = cos(x
2
)
d
dxx
2 = 2x cos(x
2
),
so Z
2x cos(x
2
) dx = sin(x
2
) + C.
Even when the chain rule has “produced” a certain derivative, it is not always easy to
see. Consider this problem:
Z
x
3
p
1 − x
2 dx.
There are two factors in this expression, x
3
and p
1 − x
2, but it is not apparent that the
chain rule is involved. Some clever rearrangement reveals that it is:
Z
x
3
p
1 − x
2 dx =
Z
(−2x)
−
1
2
(1 − (1 − x
2
))p
1 − x
2 dx.
This looks messy, but we do now have something that looks like the result of the chain
rule: the function 1 − x
2 has been substituted into −(1/2)(1 − x)
√
x, and the derivative
Step-by-step explanation:Z
cos x dx = sin x + C
Z
sec2 x dx = tan x + C
Z
sec x tan x dx = sec x + C
Z
1
1 + x2
dx = arctan x + C
Z
1
√
1 − x2
dx = arcsin x + C
8.1 Substitution
Needless to say, most problems we encounter will not be so simple. Here’s a slightly more
complicated example: find
Z
2x cos(x
2
) dx.
This is not a “simple” derivative, but a little thought reveals that it must have come from
an application of the chain rule. Multiplied on the “outside” is 2x, which is the derivative
of the “inside” function x
2
. Checking:
d
dx sin(x
2
) = cos(x
2
)
d
dxx
2 = 2x cos(x
2
),
so Z
2x cos(x
2
) dx = sin(x
2
) + C.
Even when the chain rule has “produced” a certain derivative, it is not always easy to
see. Consider this problem:
Z
x
3
p
1 − x
2 dx.
There are two factors in this expression, x
3
and p
1 − x
2, but it is not apparent that the
chain rule is involved. Some clever rearrangement reveals that it is:
Z
x
3
p
1 − x
2 dx =
Z
(−2x)
−
1
2
(1 − (1 − x
2
))p
1 − x
2 dx.
This looks messy, but we do now have something that looks like the result of the chain
rule: the function 1 − x
2 has been substituted into −(1/2)(1 − x)
√
x, and the derivative
Anyone know the answer?
Answer:
They will need √161 feet, or about 12.69 feet of fencing. √161 is irrational because 161 is not a perfect square.
Step-by-step explanation:
\( {8}^{2} + {x}^{2} = {15}^{2} \)
\(64 + {x}^{2} = 225\)
\( {x}^{2} = 161\)
\(x = \sqrt{161} = 12.69\)
According to the social construction of race school of thought, race is:
a. not biologically identifiable
b. no longer in existence
c. based only on geographic regions
d. a product of the media
According to the social construction of race perspective, race is a) not biologically identifiable but rather a social construct shaped by historical, cultural, and social factors.
According to the social construction of race school of thought, race is not biologically identifiable. This perspective argues that race is not a fixed and objective biological category, but rather a social construct that is created and maintained by society. It suggests that race is a concept that has been developed and assigned meaning by humans based on social, cultural, and historical factors rather than any inherent biological differences.
One of the main arguments supporting this view is that the concept of race has varied across different societies and historical periods. The criteria used to classify individuals into racial categories have changed over time and differ between cultures. For example, the racial categories used in one society may not be applicable or recognized in another. This demonstrates that race is not a universally fixed and inherent characteristic but is instead a socially constructed idea.
Additionally, scientific research has shown that there is more genetic diversity within racial groups than between them. This challenges the notion that race is a meaningful biological category. Advances in genetic studies have revealed that genetic variation is not neatly aligned with socially defined racial categories but rather distributed across populations in complex ways.
Furthermore, the social construction of race school of thought highlights how race is intimately linked to systems of power, privilege, and discrimination. The social meanings and significance assigned to different racial groups shape societal structures, institutions, and individual experiences. Racism and racial inequalities are seen as products of these social constructions, perpetuating unequal power dynamics and shaping social relationships.
In summary, it emphasizes that race is a dynamic concept that varies across societies and time periods, and its significance lies in its social meanings and the power dynamics associated with it.
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If f(x) = 8 -3x and g(x) = 4x, solve gf(x) = 80
Answer:
(f-g)(x)= f (x)- g (x) =4^x -1 +6 -(2x-5)
=4^x +5 -2x +5
=4^x -2x +10
Step-by-step explanation: