dik f(x)= x-2 g(x)= x^2-2x+3 nilai (gof)(x)......?

(gof)(x) = (x-2)^2 - 2(x-2) + 3
= (x^2 - 4x + 4) - (2x - 4) + 3
= x^2 - 4x + 4 - 2x + 4 + 3
= x^2 - 6x + 11

Fungsi Komposisi.
Kelompok wajib kelas X kurikulum 2013 revisi 2016.

(g o f)(x) = g(f(x))
= g(x - 2)
= (x - 2)² - 2(x - 2) + 3
= x² - 6x + 11