Komposisi fungsi (g ⚬ f)(x) = ….
Pembahasan:
(f ⚬ g)(x) = f(g(x))
Diketahui:
f(x) = 2x – 3 dan g(x) = x² + 2x – 3
Maka: (g ⚬ f)(x) = g(f(x))
= g(2x – 3)
= (2x – 3)² + 2(2x – 3) – 3
= 4x² – 12x + 9 + 4x – 6 – 3
= 4x² – 8x