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y= |x| / x What is the domain and range of this? Pls help... On some graphing calculators it doesnt work... Wolfram works but it is unclear.

Mathematics
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You know, for any positive number x, we always get y = 1, right?
On the other hand, for any negative number x, we always get y = -1
yes mainly i just wanna see the range lol

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Well, can it be anything other than -1 and 1? ^.^
my textbook says the range is y all real except 1 and -1 I think they are wrong...
umm i thought range would be only 1 and -1.
http://www.wolframalpha.com/input/?i=y%3D%20%7Cx%7C%20%2F%20x
i understand it haha. thanks :)

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