The table lists numbers N of employees (in millions) of a supermarket x years after 1980. (a) Find a power function f that models the data in the table. (b) Use f to predict the number of employees in the year 2013. Did your answer involve interpolation or extrapolation? (c) When did the number of employees first reach 1 million? Points: 0 of 1 x 7 N 0.19 12 17 22 27 0.36 0.67 1.4 2.1