Question 937660
.
(g o f)(x) = (x-2)^2
(g o f)(4) = (4-2)^2
(g o f)(4) = (2)^2
(g o f)(4) = 4
.
(f o g)(x) = x^2-2
(f o g)(-1) = (-1)^2-2
(f o g)(-1) = 1-2
(f o g)(-1) = -1