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Which relation is a function? Can someone help me please?!!!

Which relation is a function? Can someone help me please?!!!
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3 votes
Which relation is a function?

Can someone help me please?!!!

Which relation is a function? Can someone help me please?!!!-example-1
User John Zwinck
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8.5k points

1 Answer

3 votes

Answer:

The second one is a function.

Explanation:

The other 3 have one-to-many mappings.

For example the first relation has 1 mapping to 2, 3, 4 and 5.

User MichaelCMS
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7.9k points
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