Which of the following tables represents a linear function?


x −2 −1 0 1 2
y 4 1 −2 −5 −8

x −2 −1 0 1 2
y 4 1 0 1 4

x 2 2 0 2 2
y −2 −1 0 1 2

x 0 1 2 3 4
y −2 1 0 1 −2