anonymous
  • anonymous
Minimum surface area box: All boxes with a square base and a volume of 50ft^3 have a surface area give by S(x) = 2x^2 + 200/x, where x is the length of the sides of the base. Find the absolute minimum of the surface area function. what are the dimensions of the box with minimum surface area. I found the minimum surface area = (200/4)^1/3, but i failed to find the dimensions of the box.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
How did you find the minimum surface area?
anonymous
  • anonymous
by taking the derivative of S(x), and equate it to zero
anonymous
  • anonymous
And then you solved for?

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anonymous
  • anonymous
x...oh! so thats the dimension?
anonymous
  • anonymous
so i plug in the x value into s(x) to find out the minimum surface area, and then plug in to V=50ft^3 to find out the height of the box?
anonymous
  • anonymous
Well, that's a dimension certainly. Probably the length:width of the square base.
anonymous
  • anonymous
yeah.
anonymous
  • anonymous
thanks!

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