Describe the end behavior of the function.
-$$f ( x ) = e ^ { - x } \cos 4 x$$
A) $\lim _ { x \rightarrow\infty } f ( x ) = \infty$
B) $\lim _ { x \rightarrow \infty } f ( x ) = 0$
C) $\lim _ { x \rightarrow } f ( x ) = 0$
D) $\lim _ { x \rightarrow \infty } f ( x ) = \infty$

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The Answer of Describe the end behavior of the function.
-$$f ( x ) = e ^ { - x } \cos 4 x$$
A) $\lim _ { x \rightarrow\infty } f ( x ) = \infty$
B) $\lim _ { x \rightarrow \infty } f ( x ) = 0$
C) $\lim _ { x \rightarrow } f ( x ) = 0$
D) $\lim _ { x \rightarrow \infty } f ( x ) = \infty$

Describe the End Behavior of the Function f(x)=e−xcos⁡4xf ( x ) = e ^ { - x } \cos 4 xf(x)=e−xcos4x

Describe the End Behavior of the Function $f ( x ) = e ^ { - x } \cos 4 x$