fx = 3x + 10 gx = 5x hx = 6x²-4 tentukan a. (fog) (x) b. (gof)(x) c. (hof) (x)

Bab Fungsi Komposisi
Matematika SMA Kelas X

a] (fog) (x)
= f(g(x))
= f(5x)
= 3 (5x) + 10
= 15x + 10

b] (gof) (x)
= g(3x + 10)
= 5 (3x + 10)
= 15x + 50

c] (hof) (x)
= h (3x + 10)
= 6 (3x + 10)² - 4
= 6 (9x² + 60x + 100) - 4
= 54x² + 360x + 600 - 4
= 54x² + 360x + 596