Two welders working together they can complete a job in six hours. One of the welders, working alone, can complete the task in nine hours. How long will it take the second world at work in alone to complete the task

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.