(Desperate will give thanks and brainlist) Is the function represented by this table linear or nonlinear and why?
The function is linear because it decreases at a constant rate.
The function is not linear because the x-values and y-values are increasing in opposite directions.

The function is linear because all of the values on the table are positive.

The function is not linear because there is no x-value of 0.
x y
2 10
4 9
6 8
8 7