### Home > PC3 > Chapter 3 > Lesson 3.1.5 > Problem 3-77

3-77.

If varies inversely as

*and*

*when*

*, complete the following problems.*

Express

as a function of.If

varies inversely as , then . Use the fact that

whento solve for.Substitute

back into your original equation.

To writeas a function of, changeto.

What is the value

when?