Please help. make sure the answer is clear please.

Thi In t years, the population of a certain city grows from 900,000 to a size P given by P(1) = 900,090 + 40007 a) Find the growth rate,- ap b) Find the population after 10 yr. c) Find the growth rate at t = 10. d) Explain the meaning of the answer to part (c). a) dP b) The population after 10 yr is (Simplify your answer.) c) The growth rate at t= 10 is (Simplify your answer.) d) What is the meaning of the answer to part (c)? O A. The growth rate tells the average growth from time ( = 0 and ( = 10. O B. The growth rate tells the rate at which the population is growing at time 1= 10- 1. O C. The growth rate tells the difference between the rate of growth at the beginning of t = 0 and 1 = 10. O D. The growth rate tells the rate at which the population is growing at time 1 = 10