document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=342278>Question 342278</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An open rectangular box with volume 7 m3 has a square base.<BR>\n" );
document.write( "(a) Express the surface area of the box as a function of the length (x) of a side of the base. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #245110 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=245110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An open rectangular box with volume 7 m3 has a square base.<BR>\n" );
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document.write( "(a) Express the surface area of the box as a function of the length (x) of a side of the base.<BR>\n" );
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document.write( "Find the height using the given volume:<BR>\n" );
document.write( "x^2 * h = 7<BR>\n" );
document.write( "h = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2Fx%5E2 ALIGN=MIDDLE  ALT=\"7%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Surface area of an open box<BR>\n" );
document.write( "S.A. = x^2 + 4(x*h)<BR>\n" );
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document.write( "Replace h with<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2Fx%5E2 ALIGN=MIDDLE  ALT=\"7%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "S.A. = x^2 + 4(x*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2Fx%5E2 ALIGN=MIDDLE  ALT=\"7%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Cancel x:<BR>\n" );
document.write( "S.A. = x^2 + 4(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2Fx ALIGN=MIDDLE  ALT=\"7%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
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document.write( "f(x) = x^2 + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28%2Fx ALIGN=MIDDLE  ALT=\"28%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >; is the surface area in terms of x  </SPAN>\n" );
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