Marnie drove 150 miles in 2 hours. The distance Marnie drives, , is a function of the time Marni e spends driving, . Assume Marnie was driving at a constant rate. 1. The equation that represents her distance driving as a function of the amount of time is:

2. After 4 hours, Marnie was driving for
miles.

3. After 9 hours, Marnie drove
miles.

4. If we were to plot the points from exercises 2 and 3, we would find out that the function is a
function.