document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005372>Question 1005372</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your company  uses the quadratic model y = -4.5x2 + 150x to represent the average number of new customers who will be signed on (x) weeks after  the release of your new service.  How many new customers  can you expect to gain in week 18? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621653 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=621653\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your company uses the quadratic model y = -4.5x2 + 150x to represent the average number of new customers who will be signed on (x) weeks after the release of your new service. How many new customers can you expect to gain in week 18? <BR>\n" );
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document.write( "y = -4.5x^2 + 150x<BR>\n" );
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document.write( "f(18) = -4.5*18^2 + 150*18<BR>\n" );
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document.write( "f(18) = -1458 + 2700<BR>\n" );
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document.write( "f(18) = 1242<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "---------- </SPAN>\n" );
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