Question

Find f(g(3)) and g(f(-2)).
f(x)=x²-1 and g(x)=2x-3

Answer 1

Answer:

1. 8

2. 3

Step-by-step explanation:

$f(g(3)) \\= f(2(3)-3))\\=f(3)\\=3^2-1\\= 9-1\\=8\\\\g(f(-2))\\= g((-2)^2-1)\\=g(4-1)\\=g(3)\\=2*3-3\\=3$