$\lim _ { x \rightarrow c } [ f ( x ) g ( x ) ]$

Multiple Choice

$\text { Suppose that } \lim _ { x \rightarrow c } f ( x ) = - 15 \text { and } \lim _ { x \rightarrow c } g ( x ) = - 10 \text {. Find the following limit. }$ $\lim _ { x \rightarrow c } [ f ( x ) g ( x ) ]$

A) 10
B) $- 5$
C) $- 25$
D) $- 15$
E) 150