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Which of the following relations is not a function? A. (-6, 4), (2, 3), (-4, 1), (9, 2) B. (-4, 4), (2, 2), (9, 1), (-6, 5) C. (2, 4), (-4, 2), (2, 1), (-6, 2) D. (9, 4), (-4, 2), (2, 1), (-6, 2)
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5 votes
Which of the following relations is not a function?

A.
(-6, 4), (2, 3), (-4, 1), (9, 2)

B.
(-4, 4), (2, 2), (9, 1), (-6, 5)

C.
(2, 4), (-4, 2), (2, 1), (-6, 2)

D.
(9, 4), (-4, 2), (2, 1), (-6, 2)

User Shemogumbe
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1 Answer

7 votes
C is not a function , 2 appears twice in the x-axis. Allowing it not to be a function, Just keep that in mind and it’s mad easy ;)
User Maxime Ancelin
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3.6k points
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