Question

if h(x)=(fog)(x) and h(x)=4(x+1)^2 find f(x) and g(x) Multiple Choice:
A. f(x)=(x+1)^2, g(x)=4x^2
B. f(x)=4x^2, g(x)=x+1
C. f(x)=x+1, g(x)=4x^2
D. f(x)=4x^2, g(x)=(x+1)^2

Answer 1

F of g of x means you are plugging f into g. When you plug x+1 into 4x^2, you get 4(x+1)^2. C