For the Given Pair of Functions, Find the Requested Function $f(x)=x^{2}+4 x-2, g(x)=-7 x^{2}+7 x-8 ;(f-g)(x)$

Multiple Choice

For the given pair of functions, find the requested function.
- $f(x) =x^{2}+4 x-2, g(x) =-7 x^{2}+7 x-8 ;(f-g) (x)$

A) $8 x^{2}-10 x+14$
B) $8 x^{2}-3 x+6$
C) $-7 x^{2}-11 x+6$
D) $-6 x^{2}+11 x-6$