algebra

Find the domain and range of the relation and determine whether it is a function?
Answers are
Domain x>1 range y>0yes it is a function
Domain all real numbers,range all real numbers yes it is a function
Domain positive integers, range positive integers no it is not a function
Domain x>0, range>1 no it is not a function
Thanks

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  1. hard to say, eh? what was the relation?

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