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F(x)=x+4 and g(x)=x^2-1, what is (gof)(x)?

2 Answers

4 votes

Answer:

C. x²+8x+15

Explanation:

edge 2021

User Cool Eagle
by
9.1k points
4 votes
g[f(x)]= g(x+4)

=(x+4)^2-1
=(x+4)(x+4)-1
=x^2+8x+16-1
Answer=x^2+8x+15
User Charaf JRA
by
8.1k points