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Is {(-9,2), (4,7), (0,2), (9,-1)} a function?
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Is {(-9,2), (4,7), (0,2), (9,-1)} a function?

User Peaceful
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1 vote

Answer:

yes

Explanation:

The list of first values of the ordered pairs is {-9, 4, 0, 9}. There are no repeated values in this list, so the relation is a function.

User Ewald
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