Jawabanmu

2014-02-16T19:59:17+07:00
(g ₀ f)(x) = g (x-1)
= 2(x-1) + 4
= 2x-2 + 4
= 2x+2
(g ₀ f)(x) = 2x+2
y = 2x+2
2x = y-2
x = (y-2) :  2
(g ₀ f)(x) = (x-2) :  2
(g ₀ f)-1 (10) = (10-2):2
= 8:2
= 4