Chapter 5

College Algebra with Corequisite Support · 516 exercises

Problem 14

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies inversely as the square root of \(x\) and when \(x=25, \quad y=3\).

4 step solution

Problem 14

For the following exercises, find the inverse of the functions. $$ f(x)=4-x^{3} $$

3 step solution

Problem 14

For the following exercises, find the domain, vertical asymptotes, and horizontal asymptotes of the functions. $$ f(x)=\frac{3+x}{x^{3}-27} $$

3 step solution

Problem 14

For the following exercises, use the Factor Theorem to find all real zeros for the given polynomial function and one factor. $$ f(x)=2 x^{3}-9 x^{2}+13 x-6 ; \quad x-1 $$

4 step solution

Problem 14

For the following exercises, use synthetic division to find the quotient. Ensure the equation is in the form required by synthetic division. (Hint: divide the dividend and divisor by the coefficient of the linear term in the divisor.) $$ \left(3 x^{3}-2 x^{2}+x-4\right) \div(x+3) $$

5 step solution

Problem 14

For the following exercises, find the \(x\) - or t-intercepts of the polynomial functions. $$ f(x)=x^{3}+6 x^{2}-7 x $$

2 step solution

Problem 14

For the following exercises, find the degree and leading coefficient for the given polynomial. $$ -2 x^{2}-3 x^{5}+x-6 $$

4 step solution

Problem 14

For the following exercises, determine whether there is a minimum or maximum value to each quadratic function. Find the value and the axis of symmetry. $$ y(x)=2 x^{2}+10 x+12 $$

4 step solution

Problem 15

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies inversely as the cube root of \(x\) and when \(x=64, \quad y=5\).

5 step solution

Problem 15

For the following exercises, find the inverse of the functions. $$ f(x)=4-2 x^{3} $$

4 step solution

Problem 15

For the following exercises, find the domain, vertical asymptotes, and horizontal asymptotes of the functions. $$ f(x)=\frac{3 x-4}{x^{3}-16 x} $$

3 step solution

Problem 15

For the following exercises, use the Factor Theorem to find all real zeros for the given polynomial function and one factor. $$ f(x)=2 x^{3}+x^{2}-5 x+2 ; \quad x+2 $$

5 step solution

Problem 15

For the following exercises, use synthetic division to find the quotient. Ensure the equation is in the form required by synthetic division. (Hint: divide the dividend and divisor by the coefficient of the linear term in the divisor.) $$ \left(2 x^{3}-6 x^{2}-7 x+6\right) \div(x-4) $$

5 step solution

Problem 15

For the following exercises, find the \(x\) - or t-intercepts of the polynomial functions. $$ f(x)=x^{3}+x^{2}-4 x-4 $$

6 step solution

Problem 15

For the following exercises, find the degree and leading coefficient for the given polynomial. $$ x\left(4-x^{2}\right)(2 x+1) $$

4 step solution

Problem 15

For the following exercises, determine whether there is a minimum or maximum value to each quadratic function. Find the value and the axis of symmetry. $$ f(x)=2 x^{2}-10 x+4 $$

4 step solution

Problem 16

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies jointly with \(x\) and \(z\) and when \(x=2\) and \(z=3, \quad y=36\).

5 step solution

Problem 16

For the following exercises, find the inverse of the functions. $$ f(x)=\sqrt{2 x+1} $$

6 step solution

Problem 16

For the following exercises, find the domain, vertical asymptotes, and horizontal asymptotes of the functions. $$ f(x)=\frac{x^{2}-1}{x^{3}+9 x^{2}+14 x} $$

3 step solution

Problem 16

For the following exercises, use the Factor Theorem to find all real zeros for the given polynomial function and one factor. $$ f(x)=3 x^{3}+x^{2}-20 x+12 ; \quad x+3 $$

5 step solution

Problem 16

For the following exercises, use synthetic division to find the quotient. Ensure the equation is in the form required by synthetic division. (Hint: divide the dividend and divisor by the coefficient of the linear term in the divisor.) $$ \left(6 x^{3}-10 x^{2}-7 x-15\right) \div(x+1) $$

6 step solution

Problem 16

For the following exercises, find the \(x\) - or t-intercepts of the polynomial functions. $$ f(x)=x^{3}+2 x^{2}-9 x-18 $$

7 step solution

Problem 16

For the following exercises, find the degree and leading coefficient for the given polynomial. $$ x^{2}(2 x-3)^{2} $$

5 step solution

Problem 16

For the following exercises, determine whether there is a minimum or maximum value to each quadratic function. Find the value and the axis of symmetry. $$ f(x)=-x^{2}+4 x+3 $$

3 step solution

Problem 17

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies jointly as \(x, z,\) and \(w\) and when \(x=1, \quad z=2, \quad w=5,\) then \(y=100\).

4 step solution

Problem 17

For the following exercises, find the inverse of the functions. $$ f(x)=\sqrt{3-4 x} $$

6 step solution

Problem 17

For the following exercises, find the domain, vertical asymptotes, and horizontal asymptotes of the functions. $$ f(x)=\frac{x+5}{x^{2}-25} $$

3 step solution

Problem 17

For the following exercises, use the Factor Theorem to find all real zeros for the given polynomial function and one factor. $$ f(x)=2 x^{3}+3 x^{2}+x+6 ; \quad x+2 $$

3 step solution

Problem 17

For the following exercises, use synthetic division to find the quotient. Ensure the equation is in the form required by synthetic division. (Hint: divide the dividend and divisor by the coefficient of the linear term in the divisor.) $$ \left(4 x^{3}-12 x^{2}-5 x-1\right) \div(2 x+1) $$

7 step solution

Problem 17

For the following exercises, find the \(x\) - or t-intercepts of the polynomial functions. $$ f(x)=2 x^{3}-x^{2}-8 x+4 $$

7 step solution

Problem 17

For the following exercises, determine the end behavior of the functions. $$ f(x)=x^{4} $$

5 step solution

Problem 17

For the following exercises, determine whether there is a minimum or maximum value to each quadratic function. Find the value and the axis of symmetry. $$ f(x)=4 x^{2}+x-1 $$

4 step solution

Problem 18

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies jointly as the square of \(x\) and the square of \(z\) and when \(x=3\) and \(z=4,\) then \(y=72\).

3 step solution

Problem 18

For the following exercises, find the inverse of the functions. $$ f(x)=9+\sqrt{4 x-4} $$

5 step solution

Problem 18

For the following exercises, find the domain, vertical asymptotes, and horizontal asymptotes of the functions. $$ f(x)=\frac{x-4}{x-6} $$

3 step solution

Problem 18

For the following exercises, use the Factor Theorem to find all real zeros for the given polynomial function and one factor. \(f(x)=-5 x^{3}+16 x^{2}-9 ; \quad x-3\)

5 step solution

Problem 18

For the following exercises, use synthetic division to find the quotient. Ensure the equation is in the form required by synthetic division. (Hint: divide the dividend and divisor by the coefficient of the linear term in the divisor.) $$ \left(9 x^{3}-9 x^{2}+18 x+5\right) \div(3 x-1) $$

5 step solution

Problem 18

For the following exercises, find the \(x\) - or t-intercepts of the polynomial functions. $$ f(x)=x^{6}-7 x^{3}-8 $$

7 step solution

Problem 18

For the following exercises, determine the end behavior of the functions. $$ f(x)=x^{3} $$

5 step solution

Problem 18

For the following exercises, determine whether there is a minimum or maximum value to each quadratic function. Find the value and the axis of symmetry. $$ h(t)=-4 t^{2}+6 t-1 $$

3 step solution

Problem 19

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies jointly as \(x\) and the square root of \(z\) and when \(x=2\) and \(z=25,\) then \(y=100\).

5 step solution

Problem 19

For the following exercises, find the inverse of the functions. $$ f(x)=\sqrt{6 x-8}+5 $$

6 step solution

Problem 19

For the following exercises, find the domain, vertical asymptotes, and horizontal asymptotes of the functions. $$ f(x)=\frac{4-2 x}{3 x-1} $$

3 step solution

Problem 19

For the following exercises, use the Factor Theorem to find all real zeros for the given polynomial function and one factor. $$ x^{3}+3 x^{2}+4 x+12 ; \quad x+3 $$

5 step solution

Problem 19

For the following exercises, use synthetic division to find the quotient. Ensure the equation is in the form required by synthetic division. (Hint: divide the dividend and divisor by the coefficient of the linear term in the divisor.) $$ \left(3 x^{3}-2 x^{2}+x-4\right) \div(x+3) $$

5 step solution

Problem 19

For the following exercises, find the \(x\) - or t-intercepts of the polynomial functions. $$ f(x)=2 x^{4}+6 x^{2}-8 $$

4 step solution

Problem 19

For the following exercises, determine the end behavior of the functions. $$ f(x)=-x^{4} $$

3 step solution

Problem 19

For the following exercises, determine whether there is a minimum or maximum value to each quadratic function. Find the value and the axis of symmetry. $$ f(x)=\frac{1}{2} x^{2}+3 x+1 $$

4 step solution

Problem 20

For the following exercises, write an equation describing the relationship of the given variables. \(y\) varies jointly as the square of \(x\) the cube of \(z\) and the square root of \(W\). When \(x=1, z=2\), and \(w=36,\) then \(y=48\).

5 step solution

Problem 20

For the following exercises, find the inverse of the functions. $$ f(x)=9+2 \sqrt[3]{x} $$

7 step solution

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