Jika (fog)(x)=6x-3 dan f(x)=2x+5 maka g(x)=

(fog)(x) = 6x -3
f(x) = 2x +5
ditanya : g(x)?
jawab :
f(g(x)) = 6x-3
2(g(x)) + 5 = 6x -3
2g(x) = 6x -8
g(x) = 3x -4

semoga bermamfaat yaa ;;)