A Truck Gets Mpg When Driven at a Constant

question 93

Multiple Choice

A truck gets mpg when driven at a constant speed of x mph (between 40 and 80 mph) .If the price of fuel is $1/gallon and the driver is paid $8/hour, at what speed between 40 and 80 mph is it most economical to drive?

• A)60 mph
• B)80 mph
• C)40 mph
• D)75 mph
• E)45 mph

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Definitions:

Fight or Flight

A physiological response to perceived harmful events, attacks, or threats to survival, preparing the body to either confront or avoid the danger.

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for physical activity by activating fight or flight responses.

Electroencephalograph (EEG)

A diagnostic test that measures the electrical activity of the brain using small, flat metal discs (electrodes) attached to the scalp.

Millisecond Basis

A measure of time often used to quantify incredibly brief intervals, especially relevant in precise scientific experiments and time-sensitive technological processes.