Jawabnya pakai caranya ya kalau tau..

jwbnya d. f(x) = 1 + x^2

jika x = 0
f(0) = 1 + 0^2
f(0) = 1
jika x = 1
f(1) = 1 + 1^2
f(1) = 2
jika x = 3
f(3) = 1 + 3^2
f(3) = 10