g(f(x)) means plug in f(x) for every "x" in g(x).
g(f(x))=(x+4)^2-1=x^2+8x+16-1=x^2+8x+15
answer: x^2+8x+15
Answer:
C. (g°f)(x)=x²+8x+15
Step-by-step explanation:
edge 2021
