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A building in the shape of a rectangular box is to have a volume of (see the figure). It is estimated that the annual heating and cooling costs will be $2/square foot for the top, $7/square foot for the front and back, and $6/square foot for the sides. Find the dimensions of the building that will result in a minimal annual heating and cooling cost. What is the minimal annual heating and cooling cost(C)?
x = __________
y = __________
z = __________
C = __________
Shopping Preferences
Individual choices or inclinations towards certain products, brands, or shopping environments.
External Validity
The ability to apply the outcomes of a research project to different environments and other persons.
Generalization
The process of applying the results from studies to wider contexts outside of the original research settings.
Field Experiments
Research studies conducted in natural settings outside the laboratory to assess the effect of manipulated variables in a real-world environment.
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