Question

Let f(x) = x − 2 and g(x) = x2 − 7x − 9. Find f(g(−1)). (1 point)

−21

−3

3

21

Answer 1

B is the correct answer I would show how to do it but the other person who answered this question explained it the same way I would.

Answer 2

Hello,

f(x)=x-2
g(x)=x²-7x-9

f(g(x))=f(x²-7x-9)=x²-7x-9-2=x²-7x-11

f(g(-1))=(-1)²-7*(-1)-11=1+7-11=-3

Answer B