Help Min & max applied problems

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SUMMARY

The discussion focuses on maximizing the volume of an open box with a square base constructed from 3 square feet of material. The volume formula used is V = l * w * h, where l is the length, w is the width, and h is the height. To find the maximum volume, participants recommend taking the derivative of the volume function and expressing it in terms of a single variable by incorporating the surface area constraint. This approach is essential for solving the optimization problem effectively.

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  • Understanding of calculus, specifically derivatives
  • Familiarity with optimization problems
  • Knowledge of surface area and volume formulas
  • Ability to manipulate equations with multiple variables
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Homework Statement


An open box with a square base is to be constructed from 3 square feet of material. What dimensions will produce a box with maximun volume?


Homework Equations



v = l * w * h

The Attempt at a Solution



any other formulas involved.. ?

help... and thanx!
 
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Since you want to maximize volume you're going to want to take the derivative of V. In order to do that you first need to get it in terms of a single variable. To do this you need a second equation relating either length width or height to some number. In your case you would want to write the equation giving the surface area of the box and go from there. Hope this helps
 

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