document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=643391>Question 643391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me verify which answer is correct#1 or #2 ? \r<BR>\n" );
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document.write( "A rectangular box with a square base is open at the top and has a volume of 12 cubic feet. Each side of the base has a length of x feet. Which of the following expresses the surface area, S,in  square feet, of the outside of the box in terms of x ? (CLEP precalculus test)\r<BR>\n" );
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document.write( "#1:S=x^2+(48/x) or #2: S= x^2+(24/X)I got #2 but the answer key said #1 is correct answer. It didn't explain Why? please show me how to solve it. Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404474 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=404474\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "please help me verify which answer is correct#1 or #2 ? \r<BR>\n" );
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document.write( "A rectangular box with a square base is open at the top and has a volume of 12 cubic feet. Each side of the base has a length of x feet. Which of the following expresses the surface area, S,in  square feet, of the outside of the box in terms of x ? (CLEP precalculus test)\r<BR>\n" );
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document.write( "#1:S=x^2+(48/x) or #2: S= x^2+(24/X)I got #2 but the answer key said #1 is correct answer. It didn't explain Why? please show me how to solve it. Thank you\r<BR>\n" );
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document.write( "Since base = x, then area of base = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2 ALIGN=MIDDLE  ALT=\"x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Since volume of box = 12 cub. ft, and since Volume = LWH, then we can say that: \r<BR>\n" );
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document.write( "x(x)(H) = 12, with H being the height of the box\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2H+=+12 ALIGN=MIDDLE  ALT=\"x%5E2H+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+=+12%2FH ALIGN=MIDDLE  ALT=\"x%5E2+=+12%2FH\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2H+=+12 ALIGN=MIDDLE  ALT=\"x%5E2H+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=H+=+12%2Fx%5E2 ALIGN=MIDDLE  ALT=\"H+=+12%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Since S, or surface area of the OPEN box = L*W (base, or bottom) + 2*L*H (front & rear) + 2*W*H (left and right sides), then we have: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+x%28x%29+%2B+2%28xH%29+%2B+2%28xH%29 ALIGN=MIDDLE  ALT=\"S+=+x%28x%29+%2B+2%28xH%29+%2B+2%28xH%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+x%5E2+%2B+2xH+%2B+2xH ALIGN=MIDDLE  ALT=\"S+=+x%5E2+%2B+2xH+%2B+2xH\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+x%5E2+%2B+4xH ALIGN=MIDDLE  ALT=\"S+=+x%5E2+%2B+4xH\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+x%5E2+%2B+4xH ALIGN=MIDDLE  ALT=\"S+=+x%5E2+%2B+4xH\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+x%5E2+%2B+4x%2812%2Fx%5E2%29 ALIGN=MIDDLE  ALT=\"S+=+x%5E2+%2B+4x%2812%2Fx%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Substituting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2Fx%5E2 ALIGN=MIDDLE  ALT=\"12%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > for H<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+x%5E2+%2B+4cross%28x%29%2812%2F%28x%29cross%28x%5E2%29%29 ALIGN=MIDDLE  ALT=\"S+=+x%5E2+%2B+4cross%28x%29%2812%2F%28x%29cross%28x%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---- Canceling x in numerator and denominator\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28S++=+x%5E2+%2B+48%2Fx%29 ALIGN=MIDDLE  ALT=\"highlight_green%28S++=+x%5E2+%2B+48%2Fx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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