document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=720882>Question 720882</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi. I can't figure out how to solve this problem. At first I solved for L=250-W and then plugged it in to become A=W(250-W) which resulted in 250W-W^2. Then I got the derivative being 250-W. I'm not sure if it's correct so far or what to do next if it is correct. Thank you very Much.\r<BR>\n" );
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document.write( "Use calculus to find the largest possible area for a rectangular field that can be enclosed with a fence that is 500 meters long.<BR>\n" );
document.write( "_________ m^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442046 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=442046\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your formula for derivative is not so correct.  You may have just missed remembering the simple formula.  d/dw of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28250w-w%5E2%29 ALIGN=MIDDLE  ALT=\"%28250w-w%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is d/dw of (250w)- d/dw of (w^2), which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28250+-+2w%29 ALIGN=MIDDLE  ALT=\"highlight%28250+-+2w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "NOW, to maximize or minimize the A function, set 250-2w=0, and find w. </SPAN>\n" );
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