document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40032>Question 40032</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob has 3000 feet of fencing available to enclose a rectangular field.<BR>\n" );
document.write( "A. express the area A of rectangle as a function of x where x is the length of rectangle. <BR>\n" );
document.write( "B. for what value of x is the area largest?<BR>\n" );
document.write( "C. what is the maximum area? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25475 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=25475\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> > 2. Bob has 3000 feet of fencing available to enclose a rectangular field.<BR>\n" );
document.write( "><BR>\n" );
document.write( "> a. express the area A of rectangle as a function of x where x is the length<BR>\n" );
document.write( "> of rectangle.<BR>\n" );
document.write( "L=X...PERIMETER=L+B+L+B=2(L+B)=2(X+B)=3000<BR>\n" );
document.write( "X+B=1500<BR>\n" );
document.write( "B=1500-X<BR>\n" );
document.write( "AREA =A= L*B=X(1500-X)<BR>\n" );
document.write( "> b. for what value of x is the area largest?<BR>\n" );
document.write( "A=X(1500-X)=-(X^2-1500X)=-(X^2-2*X*750+750^2)+750^2<BR>\n" );
document.write( " A=750^2-(X-750)^2<BR>\n" );
document.write( "HENCE THIS WILL BE MAXIMUM WHEN X=750<BR>\n" );
document.write( "> c. what is the maximum area.<BR>\n" );
document.write( "> MAXIMUM AREA =750^2-0=750^2=562500 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );