### Home > PC > Chapter 4 > Lesson 4.2.4 > Problem4-117

4-117.

The Gladiator van travels $20t + 18$ miles per hour for $0 ≤ t ≤ 3$ hours

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

2. Compute the exact area under the curve.

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

Break it up into a rectangle and triangle adding up the areas.
Or use the formula for the area of a trapezoid.

It is the area under the curve.