f(x) = 5x+2 g(x) = 6x²+2 h(x) = 2x+1 pertanyaannya f o g o h (x) ?

(fogoh)(x)
= 5(6(2x+1)²+2) + 2
= 5(6(4x²+4x+1)+2)+2
= 5(24x²+24x+8)+2
= 120x² + 120x + 42
---------------------------------:6
= 20x² + 20x + 7