Answer
(b)
Work Step by Step
For exponential growth, the population after time
$t$ is given by the function:
$N(t)=N_0\times e^{rt},$ where⋅
$N_0=30$ squirrels
$r=0.70$ ($70\%$ per year)
$t=3$ years
We calculate $N(3)$:
$N(3)=30\times e^{0.7\cdot 3}.$
The answer is (b).
