### Home > PC3 > Chapter 5 > Lesson 5.2.5 > Problem 5-126

5-126.

Given ,

*, and*

**Homework Help ✎**

Evaluate

first. Then substitute that value into thefunction.

1. Let

. Switch theand.

2. Solve for.

5-126.

Given ,

Evaluate

first. Then substitute that value into thefunction.

1. Let

. Switch theand.

2. Solve for.