Jika p(3x-1) = 9x + 1 dan q(x² + 1) =2x² -3, nilai dari (p°q)(x)

Kelas 10 Matematika
Bab Fungsi Komposisi

p(3x - 1) = 9x + 1
p(3x - 1) = 3 (3x - 1) + 4
p(x) = 3x + 4

q(x² + 1) = 2x² - 3
q(x² + 1) = 2 (x² + 1) - 5
q(x) = 2x - 5

(poq) (x)
= p (2x - 5)
= 3 (2x - 5) + 4
= 6x - 15 + 4
= 6x - 11