Answer: 5760. Absolute extrema on open and , or unbounded
Chapter 12, Problem 60(choose chapter or problem)
5760. Absolute extrema on open and , or unbounded regions Rectangular boxes with a volume of 10 m3 are made of two materials. The material for the top and bottom of the box costs $10>m2 and the material for the sides of the box costs $1>m2. What are the dimensions of the box that minimize the cost of the box?
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