document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=724601>Question 724601</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A company's costs, in millions of dollars, are given by the equation, C=x^2-3x-27, where x is the number of items sold, in thousands. What are the costs when 1,000 items are sold? and 1,500 items are sold?\r<BR>\n" );
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document.write( "So far I have used 1 and 1.5 and substituted into the equation but I am getting negative numbers is that correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443801 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=443801\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A company's costs, in millions of dollars, are given by the equation, C=x^2-3x-27, where x is the number of items sold, in thousands. What are the costs when 1,000 items are sold? and 1,500 items are sold? <BR>\n" );
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document.write( "C(x) = x^2-3x-27<BR>\n" );
document.write( "C(1) = 1-3-27 = -29<BR>\n" );
document.write( "C(1.5) = 2.25 - 3*1.5 - 27 = 2.25 - 4.5 - 27 = -29.25<BR>\n" );
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document.write( "Note: If x is in thousands, these answers are what you get.<BR>\n" );
document.write( "As costs the answers do not make much sense.  Maybe x<BR>\n" );
document.write( "should be 1000 instead of 1 and 1500 instead of 1.5<BR>\n" );
document.write( "That way your cost figures would be positive.  Try it.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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