Bantu kembali (fog)(x)= dan f(x)=x+1 ditanya g(x)…?

By Admin ReiPosted on December 9, 2022

Bantu kembali
(fog)(x)= dan f(x)=x+1
ditanya g(x)…?

Dengan demikian, didapat:
$$begin{align}(fcirc g)(x)&=frac{2x}{x+3} \ f(g(x))&=frac{2x}{x+3} \ g(x)+1&=frac{2x}{x+3} \ g(x)&=frac{2x}{x+3}-1 \ g(x)&=frac{2x-(x+3)}{x+3} \ &=frac{2x-x-3}{x+3} \ g(x)&=frac{x-3}{x+3}end{align}$