A species of animal is discovered on an island. Suppose that the population sizeP(t)of the species can be modeled by the following function, where timet

is measured in years.

P(t)=800/1+7e^-0.3t

Find the population size after4

years and after9

years.

Round your answers to the nearest whole number as necessary.

Population size after 4 years: _____individuals

Population size after 9 years: _____individuals