Jawabanmu

2014-03-02T12:52:15+07:00
F(x) = x+3
(fog)-1(x) = 2x-7
x = 2y-7
2y = x+7
y = x+7/2
(fog)(x) x+7/2
x+7/2 = gx+3
g(x) = x+7/2 -3
     = x+7-6/2
  g(x)= x+1/2