For the Given Functions F(x) and G(x), Perform the Indicated $$f ( x ) = x ^ { 3 } - 9 x - 27 , g ( x ) = 3 x ^ { 3 } + x ^ { 2 } + 5 x + 13$$

Multiple Choice

For the given functions f(x) and g(x) , perform the indicated operation.
- $$f ( x ) = x ^ { 3 } - 9 x - 27 , g ( x ) = 3 x ^ { 3 } + x ^ { 2 } + 5 x + 13$$
Find $f ( x ) + g ( x )$ .

A) $4 x ^ { 3 } - x ^ { 2 } - 4 x + 14$
B) $3 x ^ { 3 } + x ^ { 2 } - 4 x - 14$
C) $4 x ^ { 3 } + x ^ { 2 } - 14 x - 40$
D) $4 x ^ { 3 } + x ^ { 2 } - 4 x - 14$