document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248641>Question 248641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"solve the problem\"  A closed box with a square base is required to have a volume of 10 cubic feet. Express the amount of material used to make such a box as a function of the length x of a side of the square base?\r<BR>\n" );
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document.write( "I tried to start with f(x)=10/x+x\r<BR>\n" );
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document.write( "                        thanks for any help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #181188 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=181188\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h ALIGN=MIDDLE  ALT=\"h\"   DISABLED_style= \"max-width:90%; height:auto;\" > = height<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > = side of square base<BR>\n" );
document.write( "The volume is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+x%5E2%2Ah ALIGN=MIDDLE  ALT=\"V+=+x%5E2%2Ah\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10+=+x%5E2%2Ah ALIGN=MIDDLE  ALT=\"10+=+x%5E2%2Ah\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h+=+10%2Fx%5E2 ALIGN=MIDDLE  ALT=\"h+=+10%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The area of the closed box is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+x%5E2+%2B+x%5E2+%2B+4%2Ax%2A%2810%2Fx%5E2%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+x%5E2+%2B+x%5E2+%2B+4%2Ax%2A%2810%2Fx%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+2x%5E2+%2B+40%2Fx ALIGN=MIDDLE  ALT=\"f%28x%29+=+2x%5E2+%2B+40%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > m2  answer </SPAN>\n" );
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