Homework Help: Calculus optimization problem

Posted by Sam on Sunday, October 30, 2011 at 4:40pm.

A rectangular dog run is to contain 864 ft ^2.
a. If the dog's owner must pay for fencing, what should be the dimensions of the run to minimize cost?
b. Suppose a neighbor has agreed to let the owner use an already constructed fence for one side of the run. What should the dimensions of the run be in this situation if the owner's cost is to be a minimum?

Can you explain how to do this?

Calculus optimization problem - Steve, Monday, October 31, 2011 at 5:23am
Check the related question. I think you'll find that this problem has been answered many times, using different numbers.
Calculus optimization problem - sean, Friday, August 3, 2012 at 2:00pm
85000

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