jika f(x)=x+2/2x+3 dan g(x)=3x-1 maka (gof)(-2)

jawab

f(x) = (x +2)/(2x +3)

g(x )= 3x - 1

gof(-2) = g { f(-2)}
= g { 0 }
= -1

(gof) (-2) = 1

semoga membantu..