Chapter 1
Brief Applied Calculus · 368 exercises
Problem 1
Evaluate each expression without using a calculator. $$ \left(2^{2} \cdot 2\right)^{2} $$
4 step solution
Problem 1
Write each interval in set notation and graph it on the real line. \([0,6)\)
3 step solution
Problem 2
Evaluate each expression without using a calculator. $$ \left(5^{2} \cdot 4\right)^{2} $$
2 step solution
Problem 2
Write each interval in set notation and graph it on the real line. \((-3,5]\)
3 step solution
Problem 3
Write each interval in set notation and graph it on the real line. \((-\infty, 2]\)
3 step solution
Problem 3
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ f(x)=\frac{1}{x+4} ; \text { find } f(-3) $$
3 step solution
Problem 3
Evaluate each expression without using a calculator. $$ 2^{-4} $$
3 step solution
Problem 4
Write each interval in set notation and graph it on the real line. \([7, \infty)\)
3 step solution
Problem 4
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ f(x)=\frac{1}{(x-1)^{2}} ; \text { find } f(-1) $$
3 step solution
Problem 4
Evaluate each expression without using a calculator. $$ 3^{-3} $$
4 step solution
Problem 5
Write each interval in set notation and graph it on the real line. Given the equation \(y=5 x-12\), how will \(y\) change if \(x\) : a. Increases by 3 units? b. Decreases by 2 units?
3 step solution
Problem 5
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ f(x)=\frac{x^{2}}{x-1} ; \text { find } f(-1) $$
3 step solution
Problem 5
Evaluate each expression without using a calculator. $$ \left(\frac{1}{2}\right)^{-3} $$
5 step solution
Problem 6
Write each interval in set notation and graph it on the real line. Given the equation \(y=-2 x+7\), how will \(y\) change if \(x\) : a. Increases by 5 units? b. Decreases by 4 units?
3 step solution
Problem 6
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ f(x)=\frac{x^{2}}{x+2} ; \text { find } f(2) $$
3 step solution
Problem 6
Evaluate each expression without using a calculator. $$ \left(\frac{1}{3}\right)^{-2} $$
2 step solution
Problem 7
Find the slope (if it is defined) of the line determined by each pair of points. \((2,3)\) and \((4,-1)\)
7 step solution
Problem 7
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ f(x)=\frac{12}{x(x+4)} ; \text { find } f(2) $$
3 step solution
Problem 7
Evaluate each expression without using a calculator. $$ \left(\frac{5}{8}\right)^{-1} $$
3 step solution
Problem 8
Find the slope (if it is defined) of the line determined by each pair of points. \((3,-1)\) and \((5,7)\)
6 step solution
Problem 8
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ f(x)=\frac{16}{x(x-4)} ; \text { find } f(-4) $$
3 step solution
Problem 8
Evaluate each expression without using a calculator. $$ \left(\frac{3}{4}\right)^{-1} $$
3 step solution
Problem 9
Find the slope (if it is defined) of the line determined by each pair of points. \((-4,0)\) and \((2,2)\)
4 step solution
Problem 9
Evaluate each expression without using a calculator. $$ 4^{-2} \cdot 2^{-1} $$
4 step solution
Problem 10
Find the slope (if it is defined) of the line determined by each pair of points. \((-1,4)\) and \((5,1)\)
5 step solution
Problem 10
For each function: I. Evaluate the given expression. b. Find the domain of the function. \- Find the range. [Hint: Use a graphing calculator. You may have to ignore some false lines on the graph. Graphing in "dot mode" will also eliminate false lines.] $$ g(x)=8^{x} ; \text { find } g\left(-\frac{1}{3}\right) $$
3 step solution
Problem 10
Evaluate each expression without using a calculator. $$ 3^{-2} \cdot 9^{-1} $$
4 step solution
Problem 11
Find the slope (if it is defined) of the line determined by each pair of points. \((0,-1)\) and \((4,-1)\)
4 step solution
Problem 11
Solve each equation by factoring. [Hint for Exer cises 19-22: First factor out a fractional power.] x^{3}+2 x^{4}-3 x^{3}=0
6 step solution
Problem 11
11-22. For each function: a. Evaluate the given expression. b. Find the domain of the function. c. Find the range. [Hint: Use a graphing calculator.] $$ f(x)=\sqrt{x-1} ; \text { find } f(10) $$
3 step solution
Problem 11
Evaluate each expression without using a calculator. $$ \left(\frac{3}{2}\right)^{-3} $$
4 step solution
Problem 12
Find the slope (if it is defined) of the line determined by each pair of points. \(\left(-2, \frac{1}{2}\right)\) and \(\left(5, \frac{1}{2}\right)\)
4 step solution
Problem 12
Solve each equation by factoring. [Hint for Exer cises 19-22: First factor out a fractional power.] x^{6}-x^{5}-6 x^{4}=0
6 step solution
Problem 12
For each function: $$ f(x)=\sqrt{x-4} ; \text { find } f(40) $$
4 step solution
Problem 12
Evaluate each expression without using a calculator. $$ \left(\frac{2}{3}\right)^{-3} $$
5 step solution
Problem 13
Find the slope (if it is defined) of the line determined by each pair of points. \((2,-1)\) and \((2,5)\)
5 step solution
Problem 13
Solve each equation by factoring. [Hint for Exer cises 19-22: First factor out a fractional power.] $$ 5 x^{3}-20 x=0 $$
5 step solution
Problem 13
For each function: $$ h(z)=\frac{1}{z+4} ; \text { find } h(-5) $$
4 step solution
Problem 13
Evaluate each expression without using a calculator. $$ \left(\frac{1}{3}\right)^{-2}-\left(\frac{1}{2}\right)^{-3} $$
4 step solution
Problem 14
Find the slope (if it is defined) of the line determined by each pair of points. \((6,-4)\) and \((6,-3)\)
5 step solution
Problem 14
For each function: $$ h(z)=\frac{1}{z+7} ; \text { find } h(-8) $$
4 step solution
Problem 14
Solve each equation by factoring. [Hint for Exer cises 19-22: First factor out a fractional power.] $$ 2 x^{5}-50 x^{3}=0 $$
6 step solution
Problem 14
Evaluate each expression without using a calculator. $$ \left(\frac{1}{3}\right)^{-2}-\left(\frac{1}{2}\right)^{-2} $$
4 step solution
Problem 15
For each equation, find the slope \(m\) and \(y\) -intercept \((0, b)\) (when they exist) and draw the graph. \(y=3 x-4\)
6 step solution
Problem 15
For each function: $$ h(x)=x^{1 / 4} ; \text { find } h(81) $$
3 step solution
Problem 15
Solve each equation by factoring. [Hint for Exer cises 19-22: First factor out a fractional power.] $$ 2 x^{3}+18 x=12 x^{2} $$
4 step solution
Problem 15
Evaluate each expression without using a calculator. $$ \left[\left(\frac{2}{3}\right)^{-2}\right]^{-1} $$
4 step solution
Problem 16
For each equation, find the slope \(m\) and \(y\) -intercept \((0, b)\) (when they exist) and draw the graph. \(y=2 x\)
4 step solution
Problem 16
For each function: $$ h(x)=x^{1 / 6} ; \text { find } h(64) $$
4 step solution
Problem 16
Solve each equation by factoring. [Hint for Exer cises 19-22: First factor out a fractional power.] $$ 3 x^{4}+12 x^{2}=12 x^{3} $$
5 step solution