For the Pair of Functions, Find the Product $(f g)(x)$
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Multiple Choice

For the pair of functions, find the product $(f g) (x)$ .
- $f(x) =5 x+4, g(x) =-x^{2}+6 x+7$

A) $-5 x^{3}-27 x^{2}+59 x-28$
B) $-10 x^{2}+26 x^{2}-59 x+28$
C) $5 x^{3}+26 x^{2}-59 x-28$
D) $-5 x^{3}+26 x^{2}+59 x+28$