The functions f (x), g(x), and h(x) are defined below.

Question

F(x)=3x
G(x)=10x+4
H(x)=x^2-x
Which expression is equivalent to (h-f)(-3)

Answer 1

(h-f)(x) = h(x) - f(x) = (x^2-x)-(3x) = x^2 - 4x

Now plug in x = -3 and maybe one of your choices will match.