A statistician used data to construct the model below S(t)=21lni+2 where S(t) is the number of cable TV subscribers (in millions) in year t. t=0 corresponds to 1980. Use this model to estimate the following: i. The number of cable TV subscribers in 2015 ii. The rate of change of the number of subscribers in 2015. Interpret this result.
a. i. 162 ii. 1%
b. i. 161 ii. 0.1%
c. i. 161.77 ii. 0.5%
d. i. 152 ii. 10%