Chapter 4

Calculus Early Transcendentals · 609 exercises

Problem 1

Explain how the first derivative of a function determines where the function is increasing and decreasing.

4 step solution

Problem 1

Fill in the blanks with either of the words the derivative or an antiderivative: If \(F^{\prime}(x)=f(x),\) then \(f\) is _______of \(F\) and \(F\) is ____________ of \(f\).

3 step solution

Problem 1

Explain with examples what is meant by the indeterminate form \(0 / 0\)

4 step solution

Problem 1

Sketch the graph of a smooth function \(f\) and label a point \(P(a,(f(a))\) on the curve. Draw the line that represents the linear approximation to \(f\) at \(P\).

5 step solution

Problem 1

Fill in the blanks: The goal of an optimization problem is to find the maximum or minimum value of the _________ function subject _______ to the ____.

3 step solution

Problem 1

Why is it important to determine the domain of \(f\) before graphing \(f ?\)

4 step solution

Problem 2

Explain how the iteration formula for Newton's method works.

6 step solution

Problem 2

Describe the set of antiderivatives of \(f(x)=0\)

3 step solution

Problem 2

Why are special methods, such as l'Hôpital's Rule, needed to evaluate indeterminate forms (as opposed to substitution)?

5 step solution

Problem 2

Suppose you find the linear approximation to a differentiable function at a local maximum of that function. Describe the graph of the linear approximation.

3 step solution

Problem 2

Why is it important to determine the domain of \(f\) before graphing \(f ?\)

3 step solution

Problem 3

Sketch the graph of a function that has neither a local maximum nor a local minimum at a point where \(f^{\prime}(x)=0\)

5 step solution

Problem 3

Describe the set of antiderivatives of \(f(x)=1\)

3 step solution

Problem 3

Explain the steps used to apply l'Hôpital's Rule to a limit of the form \(0 / 0\)

5 step solution

Problem 3

Explain why Rolle's Theorem cannot be applied to the function \(f(x)=|x|\) on the interval \([-a, a],\) for any \(a>0\)

4 step solution

Problem 3

How is linear approximation used to approximate the value of a function \(f\) near a point at which \(f\) and \(f^{\prime}\) are easily evaluated?

3 step solution

Problem 3

Suppose the objective function is \(Q=x^{2} y\) and you know that \(x+y=10 .\) Write the objective function first in terms of \(x\) and then in terms of \(y\)

6 step solution

Problem 3

Can the graph of a polynomial have vertical or horizontal asymptotes? Explain.

3 step solution

Problem 3

What conditions must be met to ensure that a function has an absolute maximum value and an absolute minimum value on an interval?

4 step solution

Problem 4

Explain how to apply the Second Derivative Test.

5 step solution

Problem 4

Give the formula for Newton's method for the function \(f(x)=x^{2}-5\).

3 step solution

Problem 4

Why do two different antiderivatives of a function differ by a constant?

5 step solution

Problem 4

To which indeterminate forms does 1 'Hópital's Rule apply directly?

3 step solution

Problem 4

How can linear approximation be used to approximate the change in \(y=f(x)\) given a change in \(x ?\)

5 step solution

Problem 4

Suppose you wish to minimize a continuous objective function on a closed interval, but you find that it has only a single local maximum. Where should you look for the solution to the problem?

5 step solution

Problem 4

Where are the vertical asymptotes of a rational function located?

5 step solution

Problem 5

Suppose \(f^{\prime \prime}\) exists and is positive on an interval \(I\). Describe the relationship between the graph of \(f\) and its tangent lines on the interval \(I\)

3 step solution

Problem 5

Write the formula for Newton's method and use the given initial approximation to compute the approximations \(x_{1}\) and \(x_{2}\). $$f(x)=x^{2}-6 ; x_{0}=3$$

4 step solution

Problem 5

Give the antiderivatives of \(x^{p}\). For what values of \(p\) does your answer apply?

4 step solution

Problem 5

Given a function \(f\) that is differentiable on its domain, write and explain the relationship between the differentials \(d x\) and \(d y\).

4 step solution

Problem 5

Of all rectangles with a perimeter of 10, which one has the maximum area? (Give the dimensions.)

7 step solution

Problem 5

How do you find the absolute maximum and minimum values of a function that is continuous on a closed interval?

5 step solution

Problem 5

Sketch the graph of a function that has an absolute maximum, a local minimum, but no absolute minimum on [0,3].

4 step solution

Problem 6

Sketch a function that changes from concave up to concave down as \(x\) increases. Describe how the second derivative of this function changes.

4 step solution

Problem 6

Write the formula for Newton's method and use the given initial approximation to compute the approximations \(x_{1}\) and \(x_{2}\). $$f(x)=x^{2}-2 x-3 ; x_{0}=2$$

3 step solution

Problem 6

Give the antideriyatives of \(e^{-x}\)

3 step solution

Problem 6

Give an example of a limit of the form \(\infty / \infty\) as \(x \rightarrow 0\).

7 step solution

Problem 6

At what points \(c\) does the conclusion of the Mean Value Theorem hold for \(f(x)=x^{3}\) on the interval [-10,10]\(?\)

4 step solution

Problem 6

Of all rectangles with a fixed perimeter of \(P,\) which one has the maximum area? (Give the dimensions in terms of \(P .\) )

7 step solution

Problem 6

Describe the possible end behavior of a polynomial.

4 step solution

Problem 7

What is an inflection point?

4 step solution

Problem 7

Write the formula for Newton's method and use the given initial approximation to compute the approximations \(x_{1}\) and \(x_{2}\). $$f(x)=e^{-x}-x ; x_{0}=\ln 2$$

5 step solution

Problem 7

Give the antiderivatives of \(1 / x\)

3 step solution

Problem 7

Explain why the form \(1^{\infty}\) is indeterminate and cannot be evaluated by substitution. Explain how the competing functions behave.

3 step solution

Problem 7

Determine whether Rolle's Theorem applies to the following functions on the given interval. If so, find the point(s) that are guaranteed to exist by Rolle's Theorem. $$f(x)=x(x-1)^{2} ;[0,1]$$

4 step solution

Problem 7

Sketch a curve with the following properties. $$\begin{aligned} &f^{\prime}<0 \text { and } f^{\prime \prime}<0, \text { for } x<3\\\ &f^{\prime}<0 \text { and } f^{\prime \prime}>0, \text { for } x>3 \end{aligned}$$

3 step solution

Problem 7

Sketch the graph of a function \(f\) that has a local maximum value at a point \(c\) where \(f^{\prime}(c)=0\).

6 step solution

Problem 8

Give a function that does not have an inflection point at a point where \(f^{\prime \prime}(x)=0\)

4 step solution

Problem 8

Write the formula for Newton's method and use the given initial approximation to compute the approximations \(x_{1}\) and \(x_{2}\). $$f(x)=x^{3}-2 ; x_{0}=2$$

3 step solution

Problem 8

Evaluate \(\int \cos a x d x\) and \(\int \sin a x d x,\) where \(a\) is a constant.

4 step solution

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