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1 vote
Which of the sets of ordered pairs represents a function?

P = {(3, 5), (–1, 5), (4, –6), (2, 9)}

Q = {(7, –2), (5, 9), (–1, 8), (5, –3)}

Only P
Only Q
Both P and Q
Neither P nor Q

User PKumar
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1 Answer

6 votes
It's only P because the domains are all different, it doesn't matter if any of the ranges are the same.
User Adam Williams
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