### Home > PC > Chapter 9 > Lesson 9.2.1 > Problem 9-69

9-69.

Let

Find the average rate of change of

fromto.Write the expression for the average rate of change of

fromto.Use your calculator to evaluate the expression in (b) as

.

9-69.

Let

Find the average rate of change of

fromto.Write the expression for the average rate of change of

fromto.Use your calculator to evaluate the expression in (b) as

.