document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=167811>Question 167811</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need help graphing this equation.  Find the dimensions of the rectangular field of maximum area which can be enclosed with 400 feet of fence.<BR>\n" );
document.write( "The vertex is (100, 10000), -w^2+200w and the parabola would be downward, but when I put the equation in my calulator.  I do not see the parabola. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124721 by </B><A HREF=/tutors/aboutme.mpl?userid=303795><B>303795(602)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=303795><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=124721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have found the turning point which will give the maximum area correctly.\r<BR>\n" );
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document.write( "I would suspect that your calculator is not set to show such a wide range of x and y. Make sure that it will display x up to 200 and the y value up to 10000. The graph should then display.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+0%2C+200%2C+0%2C+10000%2C+x-2%2C+-x%5E2%2B200x%29 ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+0%2C+200%2C+0%2C+10000%2C+x-2%2C+-x%5E2%2B200x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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