### Home > CAAC > Chapter 11 > Lesson 11.1.5 > Problem 11-57

11-57.

f(8) = |8|

Substitute x into the equation.

f(8) = 8

Set up the equation.

Solve for x.

x = 1

Follow the steps in part a.

Follow the steps in part a.

11-57.

f(8) = |8|

Substitute x into the equation.

f(8) = 8

Set up the equation.

Solve for x.

x = 1

Follow the steps in part a.

Follow the steps in part a.