document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=874103>Question 874103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular box is to have a square base and a volume of 30 ft^3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft^2, and the material for the top costs 32¢/ft2. Letting x denote the length of one side of the base, find a function in the variable x giving the cost (in dollars) of constructing the box. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #527324 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=527324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Volume is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=yx%5E2=30 ALIGN=MIDDLE  ALT=\"yx%5E2=30\"   DISABLED_style= \"max-width:90%; height:auto;\" > equivalent to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=30%2Fx%5E2 ALIGN=MIDDLE  ALT=\"y=30%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Cost of top:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=32%2Ax%5E2 ALIGN=MIDDLE  ALT=\"32%2Ax%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cost of bottom:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=44%2Ax%5E2 ALIGN=MIDDLE  ALT=\"44%2Ax%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cost of all sides:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A10%2Axy ALIGN=MIDDLE  ALT=\"4%2A10%2Axy\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Cost of box:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=32x%5E2%2B44x%5E2%2B400xy ALIGN=MIDDLE  ALT=\"32x%5E2%2B44x%5E2%2B400xy\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Substitute for y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=32x%5E2%2B44x%5E2%2B400x%2830%2Fx%5E2%29 ALIGN=MIDDLE  ALT=\"32x%5E2%2B44x%5E2%2B400x%2830%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=highlight%28Cost=76x%5E2%2B12000%2Fx%29 ALIGN=MIDDLE  ALT=\"highlight%28Cost=76x%5E2%2B12000%2Fx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > cents. </SPAN>\n" );
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