### Home > PC > Chapter 2 > Lesson 2.3.2 > Problem 2-87

2-87.

Let .

Find

,,,, andif the intervalis divided into four equal pieces. Find

and.Use the information you found for

andabove to substitute into the given function.

2-87.

Let .

Find

,,,, andif the intervalis divided into four equal pieces. Find

and.Use the information you found for

andabove to substitute into the given function.