document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1142559>Question 1142559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose your total benefits of renting x​ DVD's next month​ is:<BR>\n" );
document.write( "-x^2+10x+60<BR>\n" );
document.write( "The cost of renting a DVD is ​$2​, and so the total cost of renting x ​ DVD's is ​$2x. <BR>\n" );
document.write( "Calculate your net benefit from watching​ 1, 2...8 DVDs. Complete column​ (2). ​(Enter your responses as integers.​)<BR>\n" );
document.write( "​(1)<BR>\n" );
document.write( "DVDs <BR>\n" );
document.write( "Rented<BR>\n" );
document.write( "        ​(2) Total Net Benefit<BR>\n" );
document.write( "0          _____<BR>\n" );
document.write( "1          _____<BR>\n" );
document.write( "2          _____<BR>\n" );
document.write( "3          _____<BR>\n" );
document.write( "4          _____<BR>\n" );
document.write( "5          _____<BR>\n" );
document.write( "6          _____<BR>\n" );
document.write( "7          _____<BR>\n" );
document.write( "8          _____<BR>\n" );
document.write( " <BR>\n" );
document.write( "Your net benefit is maximized at ________ DVDs. <BR>\n" );
document.write( "Suppose further that your marginal benefit from watching x​ DVD's is -2x+10  \r<BR>\n" );
document.write( "\n" );
document.write( "If you follow the Principle of Optimization at the​ Margin, you will rent <BR>\n" );
document.write( "______ DVDs.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #763466 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=763466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "(1) To fill column 2, evaluate the given expression for x values 0, 1, ..., and 8; then it will be easy to see where the maximum benefit is obtained.<br><BR>\n" );
document.write( "(2) For the last question, since you are asking the question, you probably know more about how to answer it than most of the tutors at this forum. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );