Diego is building a kitchen table and a coffee table the legs of a kitchen table must be twice the height of a coffee table and there are 4 legs on each table he writes the expression 4(2x) +4(x)to model his building plans what does this expression represent

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.