g(x)=x2+8 dan (gof)(x)=x2-8x+24
Matematika
silviyanadewi1
Pertanyaan
g(x)=x2+8 dan (gof)(x)=x2-8x+24
1 Jawaban
-
1. Jawaban Anonyme
g(x) = x² + 8
•••
g(f(x)) = x² - 8x + 24
(f(x))² + 8 = x² - 8x + 24
(f(x))² = x² - 8x + 24 - 8
(f(x))² = (x - 4)²
f(x) = x - 4