Jawabanmu

2014-05-07T21:39:11+07:00
Fog= f(g(x)
     = f (x^2-2x-1)
     = x^2-2x-1 + 3
     = x^2-2x+2
2014-05-07T21:40:27+07:00
Fog (x) = (x^2-2x-1) + 3
fog (x) = x^2 - 2x +2