diketahui f(x) = √4x+2 dan g(x) = 2x²-2 ,maka (g°f) (x)= ???? please caranya

jawab

gof(x)= g{ f(x))
= g(√(4x+2))
= 2 (√(4x+2))² - 2
= 2(4x+2) - 2
= 8x + 4 - 2
= 8x + 2

Fungsi Komposisi.

(g o f)(x) = g(f(x))
= g(√(4x + 2))
= 2 (4x + 2) - 2
= 8x + 2