### Home > PC3 > Chapter 13 > Lesson 13.2.2 > Problem13-77

13-77.

The Gladiator van travels $20t + 18$ miles per hour for $0\le t\le3$ hours.

1. Draw a graph of the situation. Label the axes carefully.

2. Compute the exact area under the curve.

Use the formula for the area of a trapezoid.

3. How far did the Gladiator travel during those three hours?

It is the area under the curve.