Jawabanmu

2014-02-26T21:58:29+07:00
G o h = ( x^2 - 2x - 4 ) + 3 = x^2 - 2x - 4 + 3 = x^2 - 2x - 1
f(g o h) = ( x^2 -  2x -1 ) -1 = x^2 - 2x -1 -1 = x^2 -2x -2