Question 1096926
The population after t years can be expressed as
P(t) = P0*exp(kt), where P0 is the initial population
Given P(8) = 11000
11000 = 6000*exp(k*8)
k = (1/8)*ln(11/6)
P(13) = 6000*exp(k*13) = 16066.4, or 16066 (rounded)