jika (fog) (x) = 2x-1 dan g(x) = x+1 maka f(3) ? Tolong ya dibantu terima kasih

Question

Matematika Diposting : 2017-11-06 Diupdate : 2018-10-22 Schoolind

Pertanyaan

jika (fog) (x) = 2x-1 dan g(x) = x+1 maka f(3) ?
Tolong ya dibantu terima kasih

Answer 1

Bab Fungsi Komposisi
Matematika SMA Kelas X

(fog) (x) = 2x - 1
f(x + 1) = 2(x + 1) - 3
f(x) = 2x - 3

f(3) = 2 . 3 - 3
f(3) = 6 - 3
f(3) = 3