document.write( "Question 370514: what kind of symmetry indicates that a function will not have an inverse? why? \n" ); document.write( "

Algebra.Com's Answer #264093 by stanbon(75887) $\"\"$ $\"About$

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Ans: symmetry to the y-axis.
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\n" ); document.write( "Why: The inverse would be symmetric to the x-axis
\n" ); document.write( "and would therefore not be a function.
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\n" ); document.write( "Example:
\n" ); document.write( "y = x^2 is symmetric to the y-axis.
\n" ); document.write( "Its inverse is x = y^2 or y = +/-sqrt(x)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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