Diketahui f(x)=2x-3 dan (fog) (x)=2×2+2×-17 tentukan fungsi g(x)? [tex] {?}^{2} [/tex]
Matematika
fadhly18
Pertanyaan
Diketahui f(x)=2x-3 dan (fog) (x)=2×2+2×-17 tentukan fungsi g(x)?
[tex] {?}^{2} [/tex]
[tex] {?}^{2} [/tex]
1 Jawaban
-
1. Jawaban Riki005
f°g(x)=f(g(x))
2.2+2x-17=2(g(x))-3
2(g(x))-3=2.2+2x-17
2(g(x))=2.2+2x-17+3
2(g(x))=4+2x-14
(g(x))=2x-10/2
(g(x))=x-5