Multiple Choice
You have been asked to design a rectangular box with a square base and lid.The volume of the box must be The cost per square foot of material for the base is $0.50,for the sides $0.20,and for the lid $0.10.If the total cost of materials is a minimum,then the dimensions (in feet) of the box are
A) 4 × 4 ×
B) 1 × 1 × 12.
C) 2 × 2 × 3.
D) ×
× 6.
E) 3 × 3 ×
Correct Answer:

Verified
Correct Answer:
Verified
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