Question 887069
f(x) = (x-2) / 8
g(x) = 8x +2
(f o g)(x) = f(g(x))
(f o g)(x) = f(8x+2) = (8x+2-2) / 8 
combine terms in numerator
(f o g)(x) = 8x / 8
divide numerator and denominator by 8
(f o g)(x) = x