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Mathematics 42 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 (mathteacher1729):

I have a feeling that this question probably does not take into account that there are infinitely many functions such that an input of (-1) goes to an output of (-1). :-p

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