- #1
justin345
- 15
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Homework Statement
A box with a square base is to have an open top. The area of the material in the box is 60 sr in. What are the dimensions when the volume is maximized?
Homework Equations
The Attempt at a Solution
A=x2+4xy
V=x2y
x2+4xy=60
4xy=60-x2
y=(60-x2)/4x
Where do I go from here?