document.write( "Question 913752: Decide whether the equation describes a function.\r
\n" ); document.write( "\n" ); document.write( "x= -3y^2\r
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\n" ); document.write( "\n" ); document.write( "Does the equation describe a function yes or no?
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Algebra.Com's Answer #554691 by ewatrrr(24785)\"\" \"About 
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x= -3y^2
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\n" ); document.write( "y = ± √(x/3)
\n" ); document.write( "Using Vertical line test: NO, not a function
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