Pleas help me!!!!!
Which set of ordered pairs (x, y) could represent a linear function?
A = {(0,5), (3, 2), (6,-1), (9,-4)}
B = {(0, -1), (3, 2), (6,5), (9,7)}
C = {(2,6), (4,0), (5,-3), (6,-5)}
D = {(-4,-5), (-1, 1), (0,3), (1,6)}