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Mathematics 16 Online
OpenStudy (anonymous):

Need help with functions. Problem: Gerri made a function machine. Find the rule for Gerri's function machine. -1 Goes in -1 Comes Out. What functions went on?

OpenStudy (anonymous):

I still don't get what you are saying, y=x?

OpenStudy (anonymous):

That is correct. If a number goes in and the same number comes out, then the function must be y = x..

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