Jawabanmu

2014-02-13T17:18:23+07:00
A. (g ○ f)= (g(f(a)))= g (a) = (a) + 3= 3+3=6 b. (f ○ g)= (f(g(p)))= f (p+3) = ((p+3))= 9+3= 12
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