exonential growth and decay

The number of fish in a commercial pond can be modeled by the following function F(t)=393393e0.2tt, where F(D is the number of fish in month t (a) Graph the function. (b) Estimate the number of fish in the pond in month 0,1,5,10, and 15. (c) is there a maximum number of fish this pond can accommodale? If yes, how many