excusez moi je suis en première spé Math et je travaille sur les produit scalaires et j'ai un exercices que je ne comprend pas est ce que vous pouvez m'aider svp ​

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.