Find $\lim _ { x \rightarrow 8 } \frac { 3 x } { \sqrt { x + 5 } }$

Multiple Choice

Find $\lim _ { x \rightarrow 8 } \frac { 3 x } { \sqrt { x + 5 } }$ by direct substitution.

A) $\frac { 1 } { 8 }$
B) $0$
C) $24 \sqrt { 13 }$
D) 1
E) $\frac { 24 } { \sqrt { 13 } }$