document.write( "Question 656751: How do you determine if y is a function of x in: y^2=7x \n" ); document.write( "
Algebra.Com's Answer #409625 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"y%5E2=7x\".....=>.......\"y=sqrt%287x%29\"..=>....±\"sqrt%287x%29\"\r
\n" ); document.write( "\n" ); document.write( "It does not provide a \"unique\" \"y\" value for each \"x\" value because,
\n" ); document.write( "±\"sqrt%287x%29\"\r
\n" ); document.write( "\n" ); document.write( "so, \"y\" is \"not\" a function of \"x\" in \"y%5E2=7x\"
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