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 t is the number of years from the time the species was added to the lake. P(t)=- 800 1+2e-0.341 Find the population size of the species after 3 years and the population size after 8 years. Round your answers to the nearest whole number as necessary. Population size after 3 years: fish Population size after 8 years: fish X