Solve the Problem $$f ( t ) = \frac { 560 } { 1 + 17.7 e ^ { - 0.19 t } }$$

Multiple Choice

Solve the problem.
- $$f ( t ) = \frac { 560 } { 1 + 17.7 e ^ { - 0.19 t } }$$ after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 15 months?

A) 8400 butterflies
B) 561 butterflies
C) 450 butterflies
D) 277 butterflies