Suppose That $\lim _ { x \rightarrow c } f ( x ) = 9$

Multiple Choice

Suppose that $\lim _ { x \rightarrow c } f ( x ) = 9$ and $\lim _ { x \rightarrow c } g ( x ) = 10$ . Find the following limit: $\lim _ { x \rightarrow c } [ f ( x ) g ( x ) ]$

A) 9
B) 19
C) -1
D) 90
E) -10