### Home > PC > Chapter 2 > Lesson 2.3.1 > Problem 2-73

2-73.

The domain is time elapsed, and Lew walks for one hour. The range is 4 miles per hour.

The units are miles since:

Use the graph above to figure this out.

2-73.

The domain is time elapsed, and Lew walks for one hour. The range is 4 miles per hour.

The units are miles since:

Use the graph above to figure this out.