Question

I need help with this problem, could you help me?

Answer 1

fog(x)= f(g(x))

g(x) = 2x^2 - 7x - 4
f(x) = x+4

fog(x) = (2x^2 - 7x - 4) + 4
fog(x) = 2x^2 - 7x

hope it helps