Math, asked by meghanaouterbanks, 8 months ago

The range of f(x) = sgn (x2) is

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Answered by Kamalegunjan89

If x belongs to R(all real numbers), then x-2 also belongs to R. Thus, the range of f(x) is the range of sgn(signum function). The range of sgn is {-1,0,1}.

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