Chapter 1
Calculus and its applications · 554 exercises
Problem 1
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=5 x^{2} $$
6 step solution
Problem 1
Find \(d^{2} y / d x^{2}\) $$ y=x^{4}-7 $$
4 step solution
Problem 1
Find \(\frac{d y}{d x}\) $$ y=x^{8} $$
3 step solution
Problem 1
Differentiate each function $$ y=(3-2 x)^{2} $$ Check by expanding and then differentiating.
7 step solution
Problem 1
a) Graph the function. b) Draw tangent lines to the graph at points whose \(x\) -coordinates are \(-2,0,\) and 1 c) Find \(f^{\prime}(x)\) by determining \(\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}\). d) Find \(f^{\prime}(-2), f^{\prime}(0),\) and \(f^{\prime}(1) .\) These slopes should match those of the lines you drew in part (b). $$f(x)=\frac{1}{2} x^{2}$$
4 step solution
Problem 1
Differentiate two ways: first, by using the Product Rule; then, by multiplying the expressions before differentiating. Compare your results as a check. Use a graphing calculator to check your results. \(y=x^{9} \cdot x^{4}\)
4 step solution
Problem 1
Complete each of the following statements. As x approaches______________ , the value of -3x approaches 6.
4 step solution
Problem 2
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=4 x^{2} $$
6 step solution
Problem 2
Find \(d^{2} y / d x^{2}\) $$ y=x^{5}+9 $$
3 step solution
Problem 2
Find \(\frac{d y}{d x}\). $$ y=x^{7} $$
3 step solution
Problem 2
Differentiate each function $$ y=(2 x+1)^{2} $$ Check by expanding and then differentiating.
4 step solution
Problem 2
a) Graph the function. b) Draw tangent lines to the graph at points whose \(x\) -coordinates are \(-2,0,\) and 1 c) Find \(f^{\prime}(x)\) by determining \(\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}\). d) Find \(f^{\prime}(-2), f^{\prime}(0),\) and \(f^{\prime}(1) .\) These slopes should match those of the lines you drew in part (b). $$f(x)=\frac{3}{2} x^{2}$$
5 step solution
Problem 2
Differentiate two ways: first, by using the Product Rule; then, by multiplying the expressions before differentiating. Compare your results as a check. Use a graphing calculator to check your results. \(y=x^{5} \cdot x^{6}\)
5 step solution
Problem 2
Classify each statement as either true or false. $$ \text { If } \lim _{x \rightarrow 2} f(x)=9, \text { then } \lim _{x \rightarrow 2} \sqrt{f(x)}=3 $$
3 step solution
Problem 2
Complete each of the following statements. As x approaches_________ , the value of x - 2 approaches 5.
5 step solution
Problem 3
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=-5 x^{2} $$
5 step solution
Problem 3
Find \(d^{2} y / d x^{2}\) $$ y=2 x^{4}-5 x $$
2 step solution
Problem 3
Find \(\frac{d y}{d x}\). $$ y=-0.5 x $$
4 step solution
Problem 3
Differentiate each function $$ y=(7-x)^{55} $$
5 step solution
Problem 3
a) Graph the function. b) Draw tangent lines to the graph at points whose \(x\) -coordinates are \(-2,0,\) and 1 c) Find \(f^{\prime}(x)\) by determining \(\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}\). d) Find \(f^{\prime}(-2), f^{\prime}(0),\) and \(f^{\prime}(1) .\) These slopes should match those of the lines you drew in part (b). $$f(x)=-2 x^{2}$$
5 step solution
Problem 3
Differentiate two ways: first, by using the Product Rule; then, by multiplying the expressions before differentiating. Compare your results as a check. Use a graphing calculator to check your results. \(f(x)=(2 x+5)(3 x-4)\)
3 step solution
Problem 3
Classify each statement as either true or false. If \(\lim _{x \rightarrow 1} g(x)=5,\) then \(\lim _{x \rightarrow 1}[g(x)]^{2}=25\)
4 step solution
Problem 3
Complete each of the following statements. The notation \(\lim _{x \rightarrow 4} f(x)\) is read________.
3 step solution
Problem 4
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=-4 x^{2} $$
5 step solution
Problem 4
Find \(\frac{d y}{d x}\). $$ y=-3 x $$
3 step solution
Problem 4
Find \(d^{2} y / d x^{2}\) $$ y=5 x^{3}+4 x $$
2 step solution
Problem 4
Differentiate each function $$ y=(8-x)^{100} $$
4 step solution
Problem 4
a) Graph the function. b) Draw tangent lines to the graph at points whose \(x\) -coordinates are \(-2,0,\) and 1 c) Find \(f^{\prime}(x)\) by determining \(\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}\). d) Find \(f^{\prime}(-2), f^{\prime}(0),\) and \(f^{\prime}(1) .\) These slopes should match those of the lines you drew in part (b). $$f(x)=-3 x^{2}$$
4 step solution
Problem 4
Differentiate two ways: first, by using the Product Rule; then, by multiplying the expressions before differentiating. Compare your results as a check. Use a graphing calculator to check your results. \(g(x)=(3 x-2)(4 x+1)\)
4 step solution
Problem 4
Classify each statement as either true or false. If \(\lim _{x \rightarrow 4} F(x)=7,\) then \(\lim _{x \rightarrow 4}[c \cdot F(x)]=7 c\)
4 step solution
Problem 5
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=x^{2}-x $$
7 step solution
Problem 5
Find \(\frac{d y}{d x}\). $$ y=7 $$
3 step solution
Problem 5
Find \(d^{2} y / d x^{2}\) $$ y=4 x^{2}-5 x+7 $$
2 step solution
Problem 5
Differentiate each function $$ y=\sqrt{1-x} $$
6 step solution
Problem 5
a) Graph the function. b) Draw tangent lines to the graph at points whose \(x\) -coordinates are \(-2,0,\) and 1 c) Find \(f^{\prime}(x)\) by determining \(\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}\). d) Find \(f^{\prime}(-2), f^{\prime}(0),\) and \(f^{\prime}(1) .\) These slopes should match those of the lines you drew in part (b). $$f(x)=-x^{3}$$
4 step solution
Problem 5
Differentiate two ways: first, by using the Product Rule; then, by multiplying the expressions before differentiating. Compare your results as a check. Use a graphing calculator to check your results. \(F(x)=3 x^{4}\left(x^{2}-4 x\right)\)
6 step solution
Problem 5
Classify each statement as either true or false. If \(g\) is discontinuous at \(x=3,\) then \(g(3)\) must not exist.
3 step solution
Problem 5
Complete each of the following statements. The notation \(\lim _{x \rightarrow 5^{-}} F(x)\) is read______.
3 step solution
Problem 6
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=x^{2}+x $$
5 step solution
Problem 6
Find \(\frac{d y}{d x}\). $$ y=12 $$
4 step solution
Problem 6
Find \(d^{2} y / d x^{2}\) $$ y=4 x^{2}+3 x-1 $$
2 step solution
Problem 6
Differentiate each function $$ y=\sqrt{1+8 x} $$
6 step solution
Problem 6
a) Graph the function. b) Draw tangent lines to the graph at points whose \(x\) -coordinates are \(-2,0,\) and 1 c) Find \(f^{\prime}(x)\) by determining \(\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}\). d) Find \(f^{\prime}(-2), f^{\prime}(0),\) and \(f^{\prime}(1) .\) These slopes should match those of the lines you drew in part (b). $$f(x)=x^{3}$$
4 step solution
Problem 6
Differentiate two ways: first, by using the Product Rule; then, by multiplying the expressions before differentiating. Compare your results as a check. Use a graphing calculator to check your results. \(G(x)=4 x^{2}\left(x^{3}+5 x\right)\)
6 step solution
Problem 6
Classify each statement as either true or false. If \(f\) is continuous at \(x=2,\) then \(f(2)\) must exist.
4 step solution
Problem 6
Complete each of the following statements. The notation \(\lim _{x \rightarrow 4^{+}} G(x)\) is read___________.
3 step solution
Problem 7
(a) find the simplified form of the difference quotient and then (b) complete the following table. $$ \begin{array}{|c|l|l|} \hline x & h & \frac{f(x+h)-f(x)}{h} \\ \hline 5 & 2 & \\ \hline 5 & 1 & \\ \hline 5 & 0.1 & \\ \hline 5 & 0.01 & \\ \hline \end{array} $$ $$ f(x)=\frac{9}{x} $$
6 step solution
Problem 7
Find \(\frac{d y}{d x}\) $$ y=3 x^{10} $$
2 step solution
Problem 7
Find \(d^{2} y / d x^{2}\) $$ y=7 x+2 $$
3 step solution
Problem 7
Differentiate each function $$ y=\sqrt{3 x^{2}-4} $$
5 step solution