Find the Indicated One-Sided Limit $\infty$ Or - $\infty$ $\lim _ { x \rightarrow 4 ^ { - } } \frac { \sqrt { x } - 2 } { x - 4 }$

Multiple Choice

Find the indicated one-sided limit.If the limiting value is infinite,indicate whether it is + $\infty$ or - $\infty$ . $\lim _ { x \rightarrow 4 ^ { - } } \frac { \sqrt { x } - 2 } { x - 4 }$

A) $- \frac { 1 } { 4 }$
B) $\frac { 1 } { 4 }$
C) 2
D) -2