Compare the rates of change of the following items. A. The rate of change of item II is greater than the rate of change of item I. B. The rate of change of item I is greater than the rate of change of item II. C. The rate of change of item I is equal to the rate of change of item II.

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.