Find the Indicated Limit If It Exists $\lim _ { x \rightarrow 4 } \frac { \sqrt { x } - 2 } { x - 4 }$

Multiple Choice

Find the indicated limit if it exists. $\lim _ { x \rightarrow 4 } \frac { \sqrt { x } - 2 } { x - 4 }$

A) $- \frac { 1 } { 4 }$
B) Does not exist
C) $\frac { 1 } { 4 }$
D) 4