diketahui g(x-2) = 2x +7 dan (h o g) (x) = 4x²+44x+1. nilau h(10) =

Kelas 10 Matematika
Bab Fungsi Komposisi

g(x - 2) = 2x + 7
g(x + 2 - 2) = 2 (x + 2) + 7
g(x) = 2x + 4 + 7
g(x) = 2x + 11

(hog) (x) = 4x² + 44x + 1
h(2x + 11) = 4x² + 44x + 1

2x + 11 = 10
2x = 10 - 11
x = -1/2

4x² + 44x + 1
= 4 . (-1/2)² + 44 . (-1/2) + 1
= 4 . 1/4 - 22 + 1
= 1 - 22 + 1
= -20