Question

Find f(g(x)) when f(x)= -2x+7 and g(x)= x+2

Answer 1

In f(x), for every x, plug in g(x)
So:
f(x)= -2x + 7
g(x)= x + 2
f(g(x))= -2(x+2)+7
Now evaluate that

Answer 2

So -2x+11 is the answer?

Answer 3

I think you just simplified wrong: -4 +7

Answer 4

-2x +3 ?

Answer 5

Yep!