document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1124849>Question 1124849</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost C(x) for manufacturing x units of a product is given by the formula C(x) = x2 - 70x + 4400. Find the number of units manufactured at a cost of $7400.\r<BR>\n" );
document.write( "\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "  A.  100 units <BR>\n" );
document.write( "  B.  110 units <BR>\n" );
document.write( "  C.  40 units <BR>\n" );
document.write( "  D.  30 units </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #741279 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=741279\">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+-+70x+%2B+4400+ ALIGN=MIDDLE  ALT=\"+C%28x%29+=+x%5E2+-+70x+%2B+4400+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28x%29+=+7400+ ALIGN=MIDDLE  ALT=\"+C%28x%29+=+7400+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7400+=+x%5E2+-+70x+%2B+4400+ ALIGN=MIDDLE  ALT=\"+7400+=+x%5E2+-+70x+%2B+4400+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5E2+-+70x+-+3000+=+0+ ALIGN=MIDDLE  ALT=\"+x%5E2+-+70x+-+3000+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+x+-+100+%29%2A%28+x+%2B+30+%29+=+0+ ALIGN=MIDDLE  ALT=\"+%28+x+-+100+%29%2A%28+x+%2B+30+%29+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ( by looking at it )<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+100.+ ALIGN=MIDDLE  ALT=\"+x+=+100.+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ( x must be positive )<BR>\n" );
document.write( "A is the answer </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );