Describe the End Behavior of the Function $$f ( x ) = 2 ^ { - x } \sin 5 x$$

Multiple Choice

Describe the end behavior of the function.
- $$f ( x ) = 2 ^ { - x } \sin 5 x$$

A) $\lim _ { x \rightarrow\infty } f ( x ) = \infty$
B) $\lim _ { x \rightarrow \infty } f ( x ) = 0$
C) $\lim _ { x \rightarrow \infty } f ( x ) = \infty$
D) $\lim _ { x \rightarrow\infty } f ( x ) = 0$