mohon bantuannya kaka..

[tex]f(x) = x^2 + 2[/tex]

f(-2) = (-2)² + 2 = 4 + 2 = 6
f(-1) = (-1)² + 2 = 1 + 2 = 3
f(0) = 0 + 2 = 2
f(1) = 1² + 2 = 1 + 2 = 3
f(2) = 2² + 2 = 4 + 2 = 6

Jawaban: B

Opsi C kurang tepat karena angka 3 di kodomain ada dua. Seharusnya satu saja.