### Home > CALC > Chapter 8 > Lesson 8.2.2 > Problem 8-81

8-81.

**Multiple Choice:** The maximum value of on the interval

Expand *f* before differentiating.

Remember that a maximum value is a -value, not an

*-value.*

Notice that this is a CLOSED domain:

Since maxima can exist where or where

*DNE, it is important to check the*

*-values at each endpoint.*

*________ and*

*________*

After all, an endpoint might exceed the

*-values where*

*; in which case, that endpoint will be in the global maximum.*