oscarh71302 oscarh71302
  • 11-04-2020
  • Mathematics
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The volume of a rectangular prism with a square base is fixed at 120 cubic feet. Write the surface area of the prism as a function A(x) of the length of the side of the square x.

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surjithayer10 surjithayer10
  • 11-04-2020

Answer:

Step-by-step explanation:

120=x²×h=x×xh

xh=120/x

surface area A(x)=2x²+4x×h=2x²+4xh=2x²+4×120/x=2x²+480/x

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