Which statement best explains whether the table represents a linear or nonlinear function? (4 points)
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.