How should I go about doing this problem?

200 1+4e-5t ' 23. The population of a group of elephants is modeled by the mction P(t) = Which of the following is FALSE? (A) The maximum population of the group of elephants is 200 (B) The elephant population is growing fastest when there are 100 of them. (C) The population is growing fastest when t = 21ni (D) The rate of growth when the population is growing fastest is 5% (E) The initial population of elephants is 40