For the Functions F(x) and G(x), Evaluate the Indicated Function $( f + g ) ( - 2 )$

Multiple Choice

For the functions f(x) and g(x) , evaluate the indicated function.
-Find $( f + g ) ( - 2 )$ when $f ( x ) = 4 x ^ { 3 } - 3 x + 23$ and $g ( x ) = 4 x ^ { 2 } + 2 x$

A) $- 3$
B) $- 1$
C) 9
D) $- 15$