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Diketahui f(x) = 9x – 3 dan
Diketahui f(x) = 9x – 3 dan
Diketahui f(x) = 9x – 3 dan g(x) = 3x – 1. Tentukan nilai (fog)(x) adalah ….
Pembahasan:
f(x) = 9x – 3 dan g(x) = 3x – 1
(fog)(x) = …. ?
(fog)(x) = f(g(x))
= f(3x – 1)
= 9(3x – 1) – 3
= 27x – 9 – 3
(fog)(x) = 27x – 12
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