Ty graphed the speed of his car in miles per hour. Which relationship could represent Ty’s ordered pairs he graphed if his unit rate was 60 mph? A.)(1/2, 30), (1, 60), (2, 90), (3, 120) B.)(1/2, 30), (1/4, 15), (1, 60), (3/2, 90) C.)(30, 1/2), (15, 1/4), (60, 1), (90, 3/2) D.)(30, 1/2), (60, 1), (90, 2), (120, 3)

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.