### Home > PC3 > Chapter 4 > Lesson 4.1.1 > Problem 4-9

4-9.

Given ,

*, and*

Evaluate

.

Write an equation for

.

Write an equation for

.

For what value(s) of

will?Set your expression from part (c) equal to

and solve for .

4-9.

Given ,

Evaluate

.

Write an equation for

.

Write an equation for

.

For what value(s) of

will?Set your expression from part (c) equal to

and solve for .