Determine the Value That $f ( x ) = \frac { 4 x - 6 } { x ^ { 2 } - 7 }$

Multiple Choice

Determine the value that $f ( x ) = \frac { 4 x - 6 } { x ^ { 2 } - 7 }$ approaches as $x$ increases and decreases in magnitude without bound.

A) 8
B) 6
C) 4
D) 2
E) 0