Diket 9 (x) = x-2 dan (f○g) (x) = 3x-1 tentukan rumus f (x)
Matematika
alderinharnabil
Pertanyaan
Diket 9 (x) = x-2 dan (f○g) (x) = 3x-1 tentukan rumus f (x)
2 Jawaban
-
1. Jawaban Anonyme
jawab
fungsi
g(x) = x - 2
fog(x) = 3x - 1
f{g(x)} = 3x -1
f (x-2) = 3x - 1
f(x-2 +2) = 3(x -2) + 1
f(x)= 3x - 5 -
2. Jawaban yourvin
- Fungsi Komposisi -
(fog)(x) = 3x-1
f(x-2) = 3x-1
misalkan, u = x-2
x = u+2
f(u) = 3(u+2)-1
f(u) = 3u+6-1
f(u) = 3u+5
f(x) = 3x+5
semoga membantu
-vin