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    pleasse guys i have to do the open box problem and im not too sure what to do!!! i mean i have found the general formula for the square and i have drawn about 10 graphs and i have began to draw the one for the rectangle and i have drawn graphs for that too. i want to get 888 but i heard the you have to apply calculus and im not too familar with that. people who have done it b4 please tell me what i have to include.
 
 
 
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