Facebook The following table gives the approximate numbers of Facebook mem...

Facebook The following table gives the approximate numbers of Facebook members at various times early in its history.

a. Use exponential regression to model Facebook membership as a function of time in years since the start of 2005, and graph the data points and regression curve. (Round coefficients to 3 decimal places.)

b. Fill in the missing quantity: According to the model, Facebook membership each year was ____ times that of the year before.

c. Use your model to estimate Facebook membership in early 2009 to the nearest million.