document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1096737>Question 1096737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please check what I am doing wrong here in this question. Thank you.\r<BR>\n" );
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document.write( "When no more than 110 units are produces, the cost of producing y unites is given by C(x)<BR>\n" );
document.write( "C(x)=0.2x^3-25x^2+1504x+26,057<BR>\n" );
document.write( "How many units should be produced in order to have the lowest possible average cost?\r<BR>\n" );
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document.write( "This is what I did:<BR>\n" );
document.write( "I divided by x<BR>\n" );
document.write( "0.2x^3/x-25x^2/x+1504x/x+26,057\r<BR>\n" );
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document.write( "Now, I put this on google search to get the graph but I have no idea how to find exactly the lowest number. So I move the line while Y decreasing right? And what I see, the lowest number is 62.5, but that's not correct answer. Can someone please explain me this part? <BR>\n" );
document.write( "Thank you very much.  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #711133 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=711133\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C110%2C-300%2C30000%2C%280.2x%5E3-25x%5E2%2B1504x%2B26057%29%2Fx%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C110%2C-300%2C30000%2C%280.2x%5E3-25x%5E2%2B1504x%2B26057%29%2Fx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C50%2C90%2C-300%2C10000%2C%280.2x%5E3-25x%5E2%2B1504x%2B26057%29%2Fx%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C50%2C90%2C-300%2C10000%2C%280.2x%5E3-25x%5E2%2B1504x%2B26057%29%2Fx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "One may graph (0.2x^3-25x^2+1504x+26057)/x; each term divided by x<BR>\n" );
document.write( "or one may graph 0.2x^2-25x+1504+(26057/x, and I get 74.3 for x and 1104 for the average cost.<BR>\n" );
document.write( "In what you have written, the 26057 needs also to be divided by x.<BR>\n" );
document.write( "Either way, on a graphing calculator the first function, all divided by x and the second function, where each separate term is divided by x, gives the same curve, as it should. </SPAN>\n" );
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