4. A fruit fly population, P, in a small habitat after t days is given by the equation below. How many fruit flies are there on day 20?
215
P(t) =
1+52e-0.43t
a. 212.96
b. 213.62
C. 214.76
d. 215.00

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.