document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1109814>Question 1109814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company producing CDs for home computers finds that the total daily revenue for selling x items at p dollars per item is given by R(x) = 9x &#8722; 0.01x^2. Use the fact that R = xp and your knowledge of factoring to find a formula that gives the price p in terms of x. <BR>\n" );
document.write( "p = ?<BR>\n" );
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document.write( "Use the formula to find the price they should charge if they want to sell 420 items per day. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #724765 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=724765\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%28x%29+=+9x+-+0.01x%5E2 ALIGN=MIDDLE  ALT=\"R%28x%29+=+9x+-+0.01x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R+=+xp ALIGN=MIDDLE  ALT=\"R+=+xp\"   DISABLED_style= \"max-width:90%; height:auto;\" > , we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=xp+=+9x+-+0.01x%5E2 ALIGN=MIDDLE  ALT=\"xp+=+9x+-+0.01x%5E2\"   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=p+=+9x%2Fx+-+0.01x%5E2%2Fx ALIGN=MIDDLE  ALT=\"p+=+9x%2Fx+-+0.01x%5E2%2Fx\"   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=p+=+9+-+0.01x ALIGN=MIDDLE  ALT=\"p+=+9+-+0.01x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the price they should charge if they want to sell <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=420 ALIGN=MIDDLE  ALT=\"420\"   DISABLED_style= \"max-width:90%; height:auto;\" > items per day will be:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p+=+9+-+0.01%2A420 ALIGN=MIDDLE  ALT=\"p+=+9+-+0.01%2A420\"   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=p+=+9-+4.2 ALIGN=MIDDLE  ALT=\"p+=+9-+4.2\"   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=p+=++4.8 ALIGN=MIDDLE  ALT=\"p+=++4.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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