Facebook Users. The table shows the number of monthly active users of Face book (the number of people who use Face book at least once a month) over a 3-year period.

a. Fill in the middle row of the table sho,ving the absolute change in the number of active monthly users.

b. Fill in the bottom row of the table showing the percent change in the number of active monthly users.

c. Does the increase in Face book users appear to be linear or exponential? Is it reasonable for investors to expect this growth pattern to continue for decades> justify )'Our answers.