document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363737>Question 363737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help with HW<BR>\n" );
document.write( "the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259400 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=259400\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?<BR>\n" );
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document.write( "Max occurs at x = -b/(2a) = -12/(-0.8) = 15<BR>\n" );
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document.write( "f(15) = -0.4(15)^2 + 12(15) + 15 = 186 (max # of tickets sold)<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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