Question:
Which set of ordered pairs (x,y) could represent a linear function?
A = {( -2, 8) , (0, 4) , (2, 3) , (4, 2)}
B = {(1, 2) , (1, 3) , (1, 4) , (1, 5)}
C = {(-2, 7) , (0, 12) , (2, 17) , (4,22)}
D = {(3, 5) , (4, 7) , (3, 9) , (5, 22)}
Answer: A = {( -2, 8) , (0, 4) , (2, 3) , (4, 2)}
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