document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140369>Question 140369</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of these formulas implicitly describes y as a function of x?\r<BR>\n" );
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document.write( "a) 2x+y^3=100<BR>\n" );
document.write( "b) 5x-|y|=10<BR>\n" );
document.write( "c) x^2+y^2=25\r<BR>\n" );
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document.write( "I do not understand this.. thankyou.. Shelly </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102252 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=102252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Which of these formulas implicitly describes y as a function of x? <BR>\n" );
document.write( "a) 2x+y^3=100<BR>\n" );
document.write( "y = cube root of (-2x+100)<BR>\n" );
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document.write( "b) 5x-|y|=10<BR>\n" );
document.write( "Requires two equations:<BR>\n" );
document.write( "y = 5x-10 or y = -5x+10<BR>\n" );
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document.write( "c) x^2+y^2=25<BR>\n" );
document.write( "Is not a function as there are two values of y for each value of x.<BR>\n" );
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document.write( "Ans: a<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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