document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1111261>Question 1111261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the maximum profit if the revenue and cost functions are given by the following equations:\r<BR>\n" );
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document.write( "R = 220x - x² and C = 60x +3000. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #726249 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=726249\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Profit is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R-C ALIGN=MIDDLE  ALT=\"R-C\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x%5E2%2B220x-60x-3000 ALIGN=MIDDLE  ALT=\"-x%5E2%2B220x-60x-3000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x%5E2%2B160x-3000 ALIGN=MIDDLE  ALT=\"-x%5E2%2B160x-3000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Maximum will be at exact middle of the two roots.\r<BR>\n" );
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document.write( "roots  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-160%2B-+sqrt%28160%5E2-4%28-1%29%28-3000%29%29%29%2F%28-2%29 ALIGN=MIDDLE  ALT=\"%28-160%2B-+sqrt%28160%5E2-4%28-1%29%28-3000%29%29%29%2F%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-160%2B-+sqrt%28160%5E2-12000%29%29%2F%28-2%29 ALIGN=MIDDLE  ALT=\"%28-160%2B-+sqrt%28160%5E2-12000%29%29%2F%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-160%2B-+sqrt%2813600%29%29%2F%28-2%29 ALIGN=MIDDLE  ALT=\"%28-160%2B-+sqrt%2813600%29%29%2F%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-160%2B-+sqrt%284%2A34%2A10%2A10%29%29%2F%28-2%29 ALIGN=MIDDLE  ALT=\"%28-160%2B-+sqrt%284%2A34%2A10%2A10%29%29%2F%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-160%2B-+20%2Asqrt%2834%29%2F%28-2%29 ALIGN=MIDDLE  ALT=\"%28-160%2B-+20%2Asqrt%2834%29%2F%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80%2B-+10%2Asqrt%2834%29 ALIGN=MIDDLE  ALT=\"80%2B-+10%2Asqrt%2834%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Exact middle of these is at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28x=80%29 ALIGN=MIDDLE  ALT=\"highlight_green%28x=80%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x%5E2%2B160x-3000 ALIGN=MIDDLE  ALT=\"-x%5E2%2B160x-3000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6400%2B160%2A80-3000 ALIGN=MIDDLE  ALT=\"-6400%2B160%2A80-3000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%283400%29 ALIGN=MIDDLE  ALT=\"highlight%283400%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >---------maximum profit </SPAN>\n" );
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