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NARA [144]
3 years ago
11

I REALLY NEED HELPplease please help me answer all please

Mathematics
1 answer:
Radda [10]3 years ago
3 0

9514 1404 393

Answer:

  all are functions except Relation 2

Step-by-step explanation:

If any input value (first of an ordered pair) is used more than once, the relation is not a function. Output values can be used as often as you like.

Only Relation 2 is not a function.

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