Jawabanmu

2014-03-25T20:50:02+07:00
f(x) = 2x - 3 dan (gof)(x) = 2x + 1

(gof)(x) = g (f(x)) 
2x + 1 = g (f(x))
g (f(x)) = 2x + 1
g(x) = 2(2x - 3) + 1
g(x) = 4x - 6 + 1
g(x) = 4x - 5
g(x) = 4(2) - 5
g(x) = 8 - 5
g(x) = 3
maaf, tapi kok gak ada di pilihannya yaa... ??