### Home > CALC > Chapter 7 > Lesson 7.2.2 > Problem 7-78

7-78.

graphed at right.

When is

at a maximum on? An integral represents the area under a curve. At which point is there the largest area?

Is

increasing or decreasing or both on? Strictly Increasing. (Justify.)

Find

,, and.quarter circle triangle trapezoid List the interval(s) on

for which .Since

,.