Determine Whether the Equation Defines Y as a Function of X

question 181

Multiple Choice

Determine whether the equation defines y as a function of x.
- $$y = | x |$$

• A) function
• B) not a function

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Definitions:

Dyspnea

Difficult or labored breathing.

Cheyne-Stokes

A breathing pattern characterized by alternating periods of apnea and hyperventilation.

Apnea

The absence of breathing.

Rales

An unusual sound heard in the bronchi on examination of respirations.