15. A specialty coffee chain predicts that the number of loc…

15. A speciаlty cоffee chаin predicts thаt the number оf lоcations  for its brand will grow at the rate: where is the number of years. If there are 2 locations (n = 2) at present (t = 0), how many locations are predicted for 15 years from now?   A)   630 B)   638 C)   640 D)   642 E)    960