Determine the Vertical Asymptote(s) of the Graph of the Function $$m ( x ) = \frac { x } { x ^ { 2 } + 4 }$$

Multiple Choice

Determine the vertical asymptote(s) of the graph of the function.
- $$m ( x ) = \frac { x } { x ^ { 2 } + 4 }$$

A) $x = - 4$ and $x = \frac { 1 } { 4 }$
B) $x = 4$ and $x = - 4$
C) None
D) $x = 4$ and $x = 0$