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Answer to Question #18721 in Calculus for hsd
Question #18721
A carpenter has been asked to build an open box with a square base, where an open box means a box without a top. The sides of the box will cost $6 per square meter, and the base will cost $3 per square meter. What are the dimensions of the box of maximal volume that can be constructed for $144 ?
If x is the length of one of the sides of the base and z is the height of the box. Find a function f(x) for the volume of the box.
NOTE: The function should just be in terms of x.
f(x)=
Let x∗ and z∗ be the dimensions that maximize the volume of the box.
x=
z=
If x is the length of one of the sides of the base and z is the height of the box. Find a function f(x) for the volume of the box.
NOTE: The function should just be in terms of x.
f(x)=
Let x∗ and z∗ be the dimensions that maximize the volume of the box.
x=
z=
Expert's answer
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#340153 on Dec 2023
#340153 on Dec 2023
Comments
Dear lilly, please use the panel for submitting new questions.
Mr. Oh wants to build a square based box. The desired volume is 8000ft3 . The cost of the material to cover the box entirely is $50/ft2 . What is the optimal cost for him to build this box ?
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