Fast-Food Customers The figure depicts the number of customers that a certain fast-f...

Fast-Food Customers The figure depicts the number of customers that a certain fast-food restaurant serves each hour on a typical weekday.

a. Estimate the average rate of change of the number of customers between 7 A.M. and 11 A.M. Interpret your answer.

b. Estimate the instantaneous rate of change and percentage rate of change of the number of customers at 4:00 P.M. Interpret your answer.

c. List the factors that might affect the accuracy of your answers to parts a and b.