On a trip to the beach the Smiths travel 60 miles in the first hour and 60 miles in the second hour. Question:
a. What is their average speed (rate of change). Make sure to include a unit.
b. If you were to plot their speed in miles per hour on a coordinate plane, would you put time or distance on the x-axis?
c. Plot their speed and cumulative time for the first two hours in one color. Continue the pattern in another color.
d. How long would you expect it to take for them to travel 300 miles?
e. How far can they go in 10 hours?