Determine Which of the Following Four Functions Might Be Used

question 210

Multiple Choice

Determine which of the following four functions might be used as a model for the data: linear: f(x) = mx + b; quadratic: f(x) = bx + c, a > 0; quadratic: f(x) = + bx + c, a < 0; polynomial, not quadratic or linear.
-Altitude in thousands Of feet Linear distance in miles

• A) + bx + c, a > 0
• B) f(x) = mx + b
• C) Polynomial, not quadratic or linear
• D) + bx + c, a < 0

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Definitions:

COPD

Chronic Obstructive Pulmonary Disease, a group of lung conditions that cause breathing difficulties.

ERV

Expired Reserve Volume; the additional amount of air that can be forcibly exhaled after the completion of a normal, quiet expiration.

AFB

Acid-fast bacillus, a type of bacteria that is resistant to decolorization by acids during staining procedures; commonly used to refer to tuberculosis-causing bacteria.

MDR TB

Multi-Drug Resistant Tuberculosis, a form of TB that is resistant to at least isoniazid and rifampicin, the two most powerful tuberculosis drugs.