Given $f ( x ) = \frac { 4 x } { x ^ { 2 } + 3 x }$

Multiple Choice

Given $f ( x ) = \frac { 4 x } { x ^ { 2 } + 3 x }$ , find all the $X$ values where $f$ is not continuous.

A) - 3
B) 0
C) 0 and - 3
D) - 3 and 3