A City's Main Well Was Recently Found to Be Contaminated

question 157

Multiple Choice

A city's main well was recently found to be contaminated with trichloroethylene (a cancer-causing chemical) as a result of an abandoned chemical dump leaching chemicals into the water. A proposal submitted to the city council indicated that the cost, measured in millions of dollars, of removing x% of the toxic pollutants is given by . Find the vertical asymptote of C(x) . Is it possible to remove 99% of the toxic pollutant from the water?

• A) Vertical asymptote: x = 0.4 It is possible to remove 99% of the toxic pollutant from the water
• B) Vertical asymptote: x = 0.4 It is not possible to remove 99% of the toxic pollutant from the water
• C) Vertical asymptote: x = 100 It is not possible to remove 99% of the toxic pollutant from the water
• D) Vertical asymptote: x = 100 It is possible to remove 99% of the toxic pollutant from the water

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system responsible for the body's 'fight or flight' response during stressful situations.

Polygraph

An instrument that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions, purported to indicate truthfulness.

Action Potentials

Electrical impulses that travel along the axon of a neuron, allowing it to communicate with other neurons or muscles.

Set Point Theory

The hypothesis that the body regulates its weight and metabolism around a genetically predetermined 'set point.'