For the Given Functions F(x) and G(x), Find (F $f(x)=-8 x+8, g(x)=-5 x+9$

Multiple Choice

For the given functions f(x) and g(x) , find (f + g) (x) or (f - g) (x) as indicated
- $f(x) =-8 x+8, g(x) =-5 x+9$
Find $(\mathrm{f}-\mathrm{g}) (\mathrm{x})$ .

A) $3 \mathrm{x}$
B) $-13 x-1$
C) $-3 x-1$
D) $-3 x+16$