A Building in the Shape of a Rectangular Box Is

question 92

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, $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) ?

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Definitions:

Afferent

Referring to the transmission of signals towards a central point, particularly nerves that carry impulses towards the brain or spinal cord.

Pyramidal

Referring to a structure, cell, or organization shaped like a pyramid, often used in describing certain brain cells or hierarchical systems.

Olfactory

Pertains to the sense of smell.

Myelin Sheath

A layer of fat cells that encases and insulates most axons.