document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164946>Question 164946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I tried to solve myself but not sure where how to arrive at answer.  Please help.<BR>\n" );
document.write( "The average (mean) cost for a service club to publish a directory of its members is given by the rational function <BR>\n" );
document.write( "f(x)= 1.1x+700/x<BR>\n" );
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document.write( "where x is the number of directories printed. Find the average cost per directory for x = 500. \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121555 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=121555\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)= 1.1x+700/x<BR>\n" );
document.write( "f(500)=1.1*500+700/500<BR>\n" );
document.write( "f(500)=550+1.4<BR>\n" );
document.write( "f(500)=$551.40 cost of each directory.<BR>\n" );
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