Bila diketahui (fog)(x) = 6x+3, f(x) = 2x+5, jadi g(x) =? Tolong jawab ya kak

Question

Matematika Diposting : 2017-11-02 Diupdate : 2017-11-14 mariahtbl

Pertanyaan

Bila diketahui (fog)(x) = 6x+3, f(x) = 2x+5, jadi g(x) =?
Tolong jawab ya kak

Answer 1

(fog) =6x+3
f(g(x))=6x+3
2(g(x))+5= 6x+3
2(g(x))=6x+3-5
(g(x))=(6x-2)/2
g(x) =3x-1