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Need help pls I don’t really remember functions if anyone could pls help that would be great pls and thank you.
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Need help pls I don’t really remember functions if anyone could pls help that would be great pls and thank you.

Need help pls I don’t really remember functions if anyone could pls help that would-example-1
User MFT
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The third one is not a function

because there is two different outputs (y values) for on input (x value). The X value 4, can’t have and input of 1 and 2
User Dlawrence
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