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lawyer [7]
3 years ago
10

Which relation is a functions?​

Mathematics
1 answer:
Anni [7]3 years ago
7 0

Answer:

A

Step-by-step explanation:

What makes it a function?

If an x is unique but y can be duplicated

A is correct because the x are unique

B is incorrect because 3 is used twice

C is incorrect because -5 and -10 is used twice

D is incorrect because 20 is used twice

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