Find the Indicated Derivative $$\frac { d y } { d x } \text { if } y = 3 x ^ { 3 }$$

Multiple Choice

Find the indicated derivative.
- $$\frac { d y } { d x } \text { if } y = 3 x ^ { 3 }$$

A) $9 x ^ { 3 }$
B) $9 x ^ { 2 }$
C) $3 x ^ { 2 }$
D) $9 x$