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Determine which relation is a function. {(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)} {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)} {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)} {(–4, 1), (–2, 3), (–1, 1),
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Determine which relation is a function.

{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}


{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}


{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}


{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

User Mark Nguyen
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1 Answer

6 votes
the first one because the first numbers don't repeat
User Misha Mashina
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8.9k points
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