Dik: fungsi f(x)=2x-1 dan g(x)=x²-2x+4 tentukan (g°f)(x) Tolong bantu y manteman

f(x) = 2x - 1
g(x) = x² - 2x + 4

Ditanya g o f (x)

Jawaban
(g o f) (x) = g (f(x)) =g(2x - 1)

(g o f) (x) = (2x - 1)² - 2(2x -1) + 4

(g o f) (x) = 4x² - 4x + 1 - 4x + 2 + 4

(g o f) (x) = 4x² - 8x + 7 ✔