Jawabanmu

2014-04-19T21:05:32+07:00
f(x) = (x-1)^2 - 1 
f(x) = x^2 - 2x + 1 - 1 
f(x) = x^2 - 2x 

(gof) (x) = g(f(x)) 
(gof) (x) = g(x^2 - 2x) 
(gof) (x) = 2(x^2 - 2x) 
(gof) (x) = 2x^2 - 4x 

Maaf kalo salah
2014-04-19T21:14:00+07:00
g²(x) = 4-4x + x2
f²(x) = x2 + 2x +1
(fog) (x) = 3-x
g(x)(gof)(x) = (2-x)(1-x)
hasilnya jumlahkan sendiri