Jawabanmu

2014-02-28T19:51:30+07:00
F(g(x)) =  x^{2} - x - 6
f(g(-3)) =  -3^{2} - (-3) -6
         = 9 + 3 - 6
         = 6

2014-02-28T20:12:26+07:00
F(x) =  x^{2} -x-6
f(-3)= (-3) x^{2} -(-3)-6
  = -9+3-6=6

f(g)=x
f(-3)= -3