### Home > PC3 > Chapter 1 > Lesson 1.2.2 > Problem 1-85

1-85.

Given and

Replace every

in thefunction with the expression. Then simplify.

Compute

first. Then replace everyin thefunction with the value of. Simplify.

Compute

first. Then replace everyin thefunction with the value of. Simplify.

Compute

first. Then replace everyin thefunction with the value of. Simplify.