f(x+2) : x² + 1 g(x) : 3x - 1 gof(3) = ....

Fungsi Komposisi
Kelas X

f(x + 2) = x² + 1
f(1 + 2) = 1² + 1
f(3) = 2

g(x) = 3x - 1

(g o f)(3) = g(f(3))
= g(2)
= 3(2) - 1
= 5

Jawabannya 5 ............