Perform the Operations and Simplify $$\frac { 1 } { x - 4 } + \frac { 3 } { x + 4 } - \frac { 3 x - 4 } { x ^ { 2 } - 16 }$$

Multiple Choice

Perform the operations and simplify. $$\frac { 1 } { x - 4 } + \frac { 3 } { x + 4 } - \frac { 3 x - 4 } { x ^ { 2 } - 16 }$$
Assume that no denominators are 0 .

A) $\frac { 4 } { x + 4 }$
B) $\frac { 1 } { x + 16 }$
C) $\frac { 1 } { x + 4 }$
D) $\frac { 1 } { x - 4 }$