If a Box with a Square Cross Section Is to Be

question 67

Multiple Choice

If a box with a square cross section is to be sent by a delivery service, there are restrictions on its size such that its volume is given by the function , where x is the length of each side of the cross section (in inches) . What restrictions must be placed on x (the domain) so that the volume makes physical sense? ​

• A)0 < x < 44
• B)-44 < x < 0
• C)0 < x < 22
• D)0 < x < 2
• E)-2 < x < 2

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Definitions:

Secondary

Refers to the coil or winding in a transformer that receives energy from the primary winding and delivers it to the load.

Hysteresis

The lag in response exhibited by a body when external forces are applied and removed, often observed in magnetic and mechanical systems.

Distribution Transformer

A common transformer used by utility companies to change their line voltage into the 240/120 volts necessary to operate homes and small businesses.

Auto

Often short for automobile; a self-propelled passenger vehicle commonly used for transportation.