Sales at a certain department store follow the model y = 85 minus 13.254 x where y is the total sales in thousands of dollars and x is the number of years after 2001. What was the first year that sales fell below $50,000? a. 1999

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.