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Secondaire 5 • 2a
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Is this a function or not?

Mathematics
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  • Explication d'Alloprof

    Explication d'Alloprof

    Cette explication a été donnée par un membre de l'équipe d'Alloprof.

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    Équipe Alloprof • 2a

    Hi!


    No, this is not a function. To be a function, each value of x should be associated with one and only one value of y. However, here, we have many values of y for one value of x.

    For exemple, at x=0, we have y=2 AND y=-2.

    At x=5, we have many values of y.

    image.png


    Therefore, this is a relation, not a function. You can find more exemples here : Algebra - Relations and Functions | Secondaire | Alloprof


    I hope I was able to help you! Feel free to ask us more questions if you have any!

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