Solve the Problem $f ( t ) = \frac { 800 } { 1 + 10.4 e ^ { - 0.2 t } }$

Multiple Choice

Solve the problem.
-The logistic growth function $f ( t ) = \frac { 800 } { 1 + 10.4 e ^ { - 0.2 t } }$ describes the population of a species of butterflies t months after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 13 months?

A) 451 butterflies
B) 910 butterflies
C) 801 butterflies
D) 10,400 butterflies