Which statement best explains whether the table represents a linear or nonlinear function? input (x) 2 4 6 8 output (y) 5 10 15 20 a. it is a linear function because the input values are increasing b. it is a non-linear function because the output is increasing c. it is linear function because there is a constant rate of change d. it is nonlinear because there is a constant rate of change. will give !