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December 21, 2014

December 21, 2014

Posted by **DJ** on Wednesday, October 27, 2010 at 9:58pm.

- calculus -
**jai**, Wednesday, October 27, 2010 at 10:07pmfrom the volume,

8 = x * x * h

h = 8/(x^2)

therefore,

surface area = 2lw + 2lh + 2wh

where l=length, w=width, h=height

since it's an open box:

S(x) = x^2 + 2[8/(x^2)](x) + 2[8/(x^2)](x)

S(x) = x^2 + 32/x

so there,, :)

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