document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=357428>Question 357428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hey,<BR>\n" );
document.write( "for each pair of revenue and cost functions, determine<BR>\n" );
document.write( "i) the profit function<BR>\n" );
document.write( "ii) the value of x that maximizes profit\r<BR>\n" );
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document.write( "a) R(x)=-x^2+24x, C(x)=12x+28<BR>\n" );
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document.write( "i got part i) it was, -x^2+12x+28 but i have no idea how to do part ii)\r<BR>\n" );
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document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #255243 by </B><A HREF=/tutors/aboutme.mpl?userid=user_dude2008><B>user_dude2008(1862)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=user_dude2008><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=255243\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i) P=R-C = -x^2+24x-(12x+28) = -x^2+24x-12x-28 = -x^2+12x-28\r<BR>\n" );
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document.write( "ii) x=-b/2a = -12/2(-1) = 6\r<BR>\n" );
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document.write( "Answer x=6 </SPAN>\n" );
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