Di ketahui f(x) =x²+1 dan g(x)=2x-3 tentukan (fog) (x) dan (gof) (x)​

(f o g)(x)

= (2x – 3)² + 1

= 4x² – 12x + 9 + 1

= 4x² – 12x + 10

(g o f)(x)

= 2(x² + 1)  - 3

= 2x² + 2 – 3

= 2x² – 1