Is the function represented by the table linear or non linear and why? x | y 2 | 10 4 | 9 6 | 8 8 | 7 a). the function is linear because all of the values on the table are positive. b). the function is not linear because there is no x-value of 0. c). the function is linear because it decreases at a constant rate. d). the function is not linear because the x- values and y- values are increasing in opposite directions