Find a formula for f(t), the size of a population that begins in year t=0 with 2200 members and decreases at a 3.2% annual rate. a. f (t) = 2200 (3.2) Superscript t c. f (t) = 2200 (96.8) Superscript t b. f (t) = 2200 (0.032) Superscript t d. f (t) = 2200 (0.968) Superscript t Please select the best answer from the choices provided A B C D