(f o g)(x) = 2x + 4f(x) = x – 2 Tentukan fungsi g(x)
》Fungsi Komposisi
(fog)(x) = 2x + 4
f(x) = x – 2
(fog)(x) = f(g(x))
f(g(x)) = 2x + 4
g(x) – 2 = 2x + 4
- g(x) = 2x + 4 + 2
- g(x) = 2x + 6
(f o g)(x) = 2x + 4f(x) = x – 2 Tentukan fungsi g(x)
(fog)(x) = 2x + 4
f(x) = x – 2
(fog)(x) = f(g(x))
f(g(x)) = 2x + 4
g(x) – 2 = 2x + 4