jika g(x) = x+3 dan fog(x) =x^2 + 3x-2 maka f(x-2) =....?

Kelas 10 Matematika
Bab Fungsi Komposisi

(fog) (x) = x² + 3x - 2
f(g(x)) = x² + 3x - 2
f(x + 3) = x² + 3x - 2
f(x - 5 + 3) = (x - 5)² + 3 (x - 5) - 2
f(x - 2) = x² - 10x + 25 + 3x - 15 - 2
f(x - 2) = x² - 7x + 8