Find $$\lim _ { x \rightarrow - 3 } \left( \frac { 1 } { 3 } x ^ { 3 } - 2 x \right)$$

Multiple Choice

Find
$$\lim _ { x \rightarrow - 3 } \left( \frac { 1 } { 3 } x ^ { 3 } - 2 x \right)$$
by direct substitution.

A) $- 15$
B) 33
C) $- 3$
D) $- 29$
E) limit does not exist