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(8,5),(7,2),(3,-3)(9,5)function or not function?
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18 votes
(8,5),(7,2),(3,-3)(9,5)function or not function?

User YFl
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1 Answer

23 votes
23 votes

The relations that are functions have one and only one value in the image for each value in the domain. This is the condition.

In this case, each value of the domain (8, 7, 3, 9) has one and only one value in the image. So it is a function.

User Abdulsamet Kurt
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