Which of the following tables represents a linear function? x 2 2 2 2 2 y −3 −2 −1 0 1 x −2 −1 0 2 4 y −4 −2 −1 0 1 x −6 −2 0 1 3 y −7 negative one third −5 negative four thirds 1 x −3 −1 1 3 5 y −7 negative nine halves −2 one half 3