F(x)=x²+2x+1 G(x)=x+1 Carilah fungsi : (Fog) (2)

[tex]f(x)=x^{2} +2x+1 \\
g(x)=x+1 \\

(fog) (2) = f(2 + 1) \\ = f(3) \\ = {3}^{2} + 2(3) + 1 \\ = 16[/tex]

Bab Fungsi Komposisi
Matematika SMA Kelas X

(fog) (x) = f (x + 1)
(fog) (2) = (2 + 1)² + 2 (2 + 1) + 1
(fog) (2) = 3² + 2 . 3 + 1
(fog) (2) = 9 + 6 + 1
(fog) (2) = 16