Please help, I have very little time:
The population of a colony of rabbits grows exponentially. The colony begins with 5 rabbits; 5 years later there are 370 rabbits.

(a) Express the population of the colony of rabbits, P, as a function of time, t, in years.
P(t) =

(b) Use the graph to estimate how long it takes for the population of rabbits to reach 1000 rabbits.
It will take years___. (round to nearest 0.01 year)

I've tried the pop. formula and got it wrong, I have very little time to submit an answer, so please help.

Question

Please help, I have very little time:
The population of a colony of rabbits grows exponentially. The colony begins with 5 rabbits; 5 years later there are 370 rabbits. 

(a) Express the population of the colony of rabbits, P, as a function of time, t, in years. 
P(t) =  

(b) Use the graph to estimate how long it takes for the population of rabbits to reach 1000 rabbits. 
It will take  years___. (round to nearest 0.01 year)

I've tried the pop. formula and got it wrong, I have very little time to submit an answer, so please help.