Function contains the ordered pairs (0, 3), (6, 1), and (9, 0). Which statement explains whether or not the function is linear? A. The function is linear because it has both x- and y-intercepts.

B. The function is linear because it has a constant rate of change.

C. The function is not linear because the difference in the x-coordinates is not constant.

D. The function is not linear because the y-coordinate is not a constant multiple of the x-coordinate.