Diketahui f(x+1)=x2+1,g(x)=2x+4, nilai (g o f) (2)=​

Penjelasan dengan langkah-langkah:

f(x + 1) = x² + 1

f(x – 1 + 1) = (x – 1)² + 1

f(x) = x² – 2x + 2

f(2) = 2² – 2 . 2 + 2

f(2) = 4 – 4 + 2

f(2) = 2

g(x) = 2x + 4

g(2) = 2 . 2 + 4

g(2) = 8

Maka, (gof) (2) = 8