jika f(x) =2-x, g(x) = x pangkat 2 + 1 dan h(x)= 3x, maka ((h o f) o g) (3) =

(HoFoG)(x)=H(F(G(x)))
=H(F(x²+1)
=H(2-(x²+1)
=H(2-x²-1)
=H(-x²+2-1)
=H(-x²+1)
=3(-x²+1)
= -3x²+3

(HoFoG)(3)= -3(3)²+3
= -3(9)+3
= -27+3
= -24