A Building in the Shape of a Rectangular Box Is

question 14

Multiple Choice

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, $5/square foot for the front and back, and $2/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) ?

• A) x = 50; y = 20; z = 10; C = 5,900
• B) x = 20; y = 50; z = 30; C = 5,900
• C) x = 20; y = 50; z = 10; C = 6,000
• D) x = 50; y = 20; z = 20; C = 6,000

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Definitions:

American Culture

A set of shared values, practices, and beliefs predominantly influenced by European immigration but significantly shaped by African, Native American, Asian, Pacific Island, and Latin American cultures.

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A psychotherapeutic or coaching method that involves using mirrors to help individuals see themselves more clearly, foster self-awareness, or work through body image issues.

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The ability to understand and consider the world from someone else's viewpoint, recognizing their thoughts, feelings, and motivations.