The accompanying graph shows the total amount of gasoline A in the gas tank of an automo...

The accompanying graph shows the total amount of gasoline A in the gas tank of an automobile after being driven for t days.

a. Estimate the average rate of gasoline consumption over the time intervals [0, 3], [0, 5], and [7, 10].

b. Estimate the instantaneous rate of gasoline consumption at the times t = 1, t = 4, and t = 8.

c. Estimate the maximum rate of gasoline consumption and the specific time at which it occurs.