document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1134246>Question 1134246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please help? \r<BR>\n" );
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document.write( "The cost function for a certain company is C = 40x + 500<BR>\n" );
document.write( " and the revenue is given by R = 100x − 0.5x2.<BR>\n" );
document.write( " Recall that profit is revenue minus cost. Set up a quadratic equation and find two values of x (production level) that will create a profit of $500.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #751576 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=751576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> R-C=100x-0.5x^2-40x-500<BR>\n" );
document.write( "so -0.5x^2+60x-500=0 <BR>\n" );
document.write( "solve for -0.5x^2+60x-500=500 or -0.5x^2+60x-1000=0 or x^2-120x+2000=0, multiplying the previous by -2.<BR>\n" );
document.write( "(x-100)(x-20)=0, x=20 and 100<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-30%2C300%2C-1000%2C2000%2C-0.5x%5E2%2B60x-500%2C500%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-30%2C300%2C-1000%2C2000%2C-0.5x%5E2%2B60x-500%2C500%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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