Solve the Problem $f ( t ) = \frac { 720 } { 1 + 9.3 e ^ { - 0.12 t } }$

Multiple Choice

Solve the problem.
-The logistic growth function $f ( t ) = \frac { 720 } { 1 + 9.3 e ^ { - 0.12 t } }$ describes the population of a species of butterflies t months after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?

A) 70 butterflies
B) 720 butterflies
C) 9 butterflies
D) 2 butterflies