Three friends agree to save money for a graduation road trip. they decide that each of them will put 50.25 in the fund on the first day of may, $0.50 on the second day, $0.75 on the third day, and so on. at the end of may, there will be sin their fund. (hint: there are 31 days in may.)

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.