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HEY i need helpp and thank u

HEY i need helpp and thank u-example-1
User Docjay
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Answer:

Relation 1- function

Relation 2- not a function

Relation 3- Function

Relation 4- not a function

Explanation:

Steps my teacher taught us to find a function were to first see if there are x values that repeated like in relation 4 you see y repeated 3 times making it not a function. the rule is that you can many x going to one y, but not many ys going to one x. it's kinda hard to explain so I hope it made sense!

User Hydrogen
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