Find the Limit (If It Exists) $$\lim _ { x \rightarrow 36 ^ { - } } \frac { \sqrt { x } - 6 } { x - 36 }$$

Multiple Choice

Find the limit (if it exists) . $$\lim _ { x \rightarrow 36 ^ { - } } \frac { \sqrt { x } - 6 } { x - 36 }$$

A) 0
B) $- \frac { 1 } { 12 }$
C) $\frac { 1 } { 72 }$
D) $\frac { 1 } { 12 }$
E) Limit does not exist.