A species of fish was added to a lake. The population size P (1) of this species can be modeled by the following function, where it is the number of years from the
time the species was added to the lake.
P(t)=2000/1+6e^-0.42t
Find the initial population size of the species and the population size after 7 years.
Round your answers to the nearest whole number as necessary.
Initial population size:
Population size after 7 years: