Answer
a.$P(0)=30,$
b. $P(5)=60.1,$
c.$P(10)=120.32,$
d.$P(15)=240.95$
e. The populations are doubling every $5$ years
Work Step by Step
$P(t)=30(1.149)^t,$
a.$P(0)=30,$
b. $P(5)=30(1.149)^5=60.1,$
c.$P(10)=30(1.149)^{10}=120.32,$
d.$P(15)=30(1.149)^{15}=240.95$
e. The populations are doubling every $5$ years