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AonZ

  • one year ago

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.

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  1. terenzreignz
    • one year ago
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    You know, for any positive number x, we always get y = 1, right?

  2. terenzreignz
    • one year ago
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    On the other hand, for any negative number x, we always get y = -1

  3. AonZ
    • one year ago
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    yes mainly i just wanna see the range lol

  4. terenzreignz
    • one year ago
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    Well, can it be anything other than -1 and 1? ^.^

  5. AonZ
    • one year ago
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    my textbook says the range is y all real except 1 and -1 I think they are wrong...

  6. AonZ
    • one year ago
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    umm i thought range would be only 1 and -1.

  7. AonZ
    • one year ago
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    http://www.wolframalpha.com/input/?i=y%3D%20%7Cx%7C%20%2F%20x

  8. AonZ
    • one year ago
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    i understand it haha. thanks :)

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