Misalkan (f komposisi g)(x)= 4x + 6 dan x= 2x – 4. Tentukan fungsi g(x)!

fungsi komposisi

f(x) = 2x – 4

(fog)(x) = 4x + 6

2 g(x) – 4 = 4x + 6

2 g(x) = 4x + 6 + 4

g(x) = (4x + 10)/2

g(x) = 2x + 5