document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446816>Question 446816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company manufactures lighting fixtures finds its daily production costs to be:<BR>\n" );
document.write( "C(x) = .25x²-10x+800 dollars for x fixtures produced daily. Find the minimum daily production cost to the company.\r<BR>\n" );
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document.write( "I've set it up:<BR>\n" );
document.write( "-> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.25x%5E2-10x%2B800=0+ ALIGN=MIDDLE  ALT=\"+.25x%5E2-10x%2B800=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simplified:<BR>\n" );
document.write( "-> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5E2-40%2B3200=0+ ALIGN=MIDDLE  ALT=\"+x%5E2-40%2B3200=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "However, I'm not sure if this is the right way to go with this problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #307696 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307696\">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=+C%28x%29+=+x%5E2+-+40x+%2B+3200+ ALIGN=MIDDLE  ALT=\"+C%28x%29+=+x%5E2+-+40x+%2B+3200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You don't need to set <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28x%29+=+0 ALIGN=MIDDLE  ALT=\"C%28x%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That's only if you want the roots <BR>\n" );
document.write( "The minimum of the curve is at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+-b%2F%282a%29+ ALIGN=MIDDLE  ALT=\"+x+=+-b%2F%282a%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "when the form is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+ax%5E2+%2B+2b+%2B+c+=+0+ ALIGN=MIDDLE  ALT=\"+ax%5E2+%2B+2b+%2B+c+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-b%2F%282a%29+=+-%28-40%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"+-b%2F%282a%29+=+-%28-40%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-b%2F%282a%29+=+20+ ALIGN=MIDDLE  ALT=\"+-b%2F%282a%29+=+20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is 20 fixtures daily<BR>\n" );
document.write( "Now I find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%2820%29 ALIGN=MIDDLE  ALT=\"C%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%2820%29+=+20%5E2+-+40%2A20+%2B+3200+ ALIGN=MIDDLE  ALT=\"+C%2820%29+=+20%5E2+-+40%2A20+%2B+3200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%2820%29+=+400+-+800+%2B+3200+ ALIGN=MIDDLE  ALT=\"+C%2820%29+=+400+-+800+%2B+3200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%2820%29+=+2800+ ALIGN=MIDDLE  ALT=\"+C%2820%29+=+2800+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The minimum daily production cost is $2,800<BR>\n" );
document.write( "Here's the plot:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+500%2C+500%2C+-10%2C+50%2C+-500%2C+3600%2C+x%5E2+-+40x+%2B+3200%29+ ALIGN=MIDDLE  ALT=\"+graph%28+500%2C+500%2C+-10%2C+50%2C+-500%2C+3600%2C+x%5E2+-+40x+%2B+3200%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );