I need help to find x and y pls

∆red ≅ ∆ by rule will give brainiest if possible

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.

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain