document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937719>Question 937719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine which of the equations de&#64257;ne a function with independent variable x. For those that do, &#64257;nd the domain. For those that do not, &#64257;nd a value of x to which there corresponds more than one value of y. \r<BR>\n" );
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document.write( "2x + &#448;y&#448;=7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571167 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=571167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine which of the equations de&#64257;ne a function with independent variable x. For those that do, &#64257;nd the domain. For those that do not, &#64257;nd a value of x to which there corresponds more than one value of y.<BR>\n" );
document.write( " 2x + &#448;y&#448;=7<BR>\n" );
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document.write( "Not a function because for some value of \"x\", y has 2 values.<BR>\n" );
document.write( "Example::<BR>\n" );
document.write( "If x = -7, |y| = 7+ 14 = 21<BR>\n" );
document.write( "Then y = 21 of y = -21<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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