### Home > A2C > Chapter 4 > Lesson 4.2.1 > Problem 4-85

4-85.

Given and

*:*

*2-101 HW eTool*(Desmos) Homework Help ✎

Sketch the graphs of the two functions.

What are the parent graphs of each function? How is each function transformed?

Solve

.Solve:

Solve

.See part (b).

Solve

.See part (b).

Solve

.See part (b).

For how many values of

doesequal? Explain.Look at the graph from part (a).

Three values because the graphs cross three times.

Find and simplify an expression for

.Use the eTool below to solve the parts of the problem.

Click the link at right for the full version of the eTool:*CCA2 2-101 HW eTool*