1.

Which relation is a function?

A. {(4, 0), (4, 1), (4, 2), (4, 3)}
B. {(–1, 3), (–2, 6), (0, 0), (–2, –2)}
C. {(7, 4), (8, 8), (10, 8), (10, 10)}
D. {(–2, –2), (0, 0), (1, 1), (2, 2)}
Answer» E.


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