A person drives her Toyota Prius® on a road trip. At the start of the trip, she fills up the 11.9-gallon tank with gasoline. During the trip, the cars uses about 0.02 gallon of gasoline per mile. Let G be the number of gallons of gasoline remaining in the tank after driving d miles.
a. Why is there an exact linear association?
b. What is the G-intercept of a model? What does it mean in this situation?
c. Find an equation of the model.
d. Graph the model by hand.
e. How much gasoline remains in the tank after driving 525 miles?