Question

F(x)=x+2 g(x)=x-4 (fg)(x)=

Answer 1

2(x)-2X-8

Explanation:

FOIL

Answer 2

f(g(x)) =x-2

Explanation:

f(x)=x+2

g(x)=x-4

(fg)(x)=

put g(x) in for x in the equation f(x)

f(g(x) = g(x) +2

f(g(x)) = (x-4) +2

combine like terms

f(g(x)) =x-2