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Question 1151007: Show a circle mapping of the relation { (x,y) | y= |x|, x= -3, -1,1} and tell whether or not it is a function
Answer by ikleyn(52790)   (Show Source):
You can put this solution on YOUR website! .
It is with a great difficulty I can understand what is written in the post and what does the author mean
and what does he (or she) want.
My first question is:
When the post asks "whether or not it is a function" ,
to which object/subject does it relate : to the circle or to the relation ?
In other words, who is " it " in this question ? - the circle or the relation ?
As the problem is presented in this post, it deserves to be displayed
on a special exposition/exhibition as an example on how a Math problem SHOULD NOT be formulated.
At such exposition/exhibition, it may win one of the first / (of the top) 10 prizes.
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