I need help on this question

The population of a fish farm in t years is modeled by the equation 1000 P(t)= 1 + 9e-0.75t Answer the following. a. What is the initial population of fish? The initial population of fish was b. To the nearest whole number, what will the fish population be after 4 years? The fish population will be approximately after 4 years. C. To the nearest tenth, how long will it take for the population to reach 750? It will take approximately years for the population to reach 750. d. What is the carrying capacity for the fish population? The carrying capacity is fish