Use the Graph to Find $\lim _ { x \rightarrow 0 } 3 \sin \left( \frac { \pi } { 3 x } \right)$

Multiple Choice

Use the graph to find $\lim _ { x \rightarrow 0 } 3 \sin \left( \frac { \pi } { 3 x } \right)$ .

A) $\frac { 3 \sqrt { 3 } } { 2 }$
B) $\infty$
C) 0
D) 3
E) limit does not exist