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Discussion :: Sets, Relations and Functions

  1.  The range of the function f(x) = x / │x│ is

    2. A.

    R - {0}
    B.

    {-1, 1}
    C.

    R – {-1, 1}
    D.

    None of these

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    Workspace

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    Answer : Option B

    Explanation :

    {-1, 1}

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