Jika f(x) = 2x + 5 dan g(x) = x² – 3x + 1, maka (fog)(x) =…

Jika f(x) = 2x + 5 dan g(x) = x² – 3x + 1, maka (fog)(x) =…

(fog)(x) = f(g(x))
= 2 (x² – 3x + 1) + 5
= 2x² – 6x + 2 + 5
= 2x² – 6x + 7