Find the Domain and Range $$\{ ( 5,1 ) , ( 5 , - 4 ) , ( 6,7 ) , ( 3,4 ) , ( - 9 , - 6 ) \}$$

question 69

Multiple Choice

Find the domain and range.
- $$\{ ( 5,1 ) , ( 5 , - 4 ) , ( 6,7 ) , ( 3,4 ) , ( - 9 , - 6 ) \}$$

• A) domain \(= \{ 6,13 , - 9,3,5 \} ;\) range \(= \{ 7 , - 6,4 , - 4,1 \}\)
• B) domain \(= \{ 6 , - 3 , - 9,3,5 \}\); range \(= \{ 7 , - 6,4 , - 4,1 \}\)
• C) domain \(= \{ 6 , - 9,3,5 \}\); range \(= \{ 7 , - 6,4 , - 4,1 \}\)
• D) domain \(= \{ 7 , - 6,4 , - 4,1 \}\); range \(= \{ 6,6 , - 9,3,5 \}\)

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Definitions:

Coarse Rhonchi

Low-pitched, rattling lung sounds that can be heard through a stethoscope, often indicating the presence of thick mucus or blockages in the larger airways.

Fine Crackles

Small, abrupt sounds heard in the lungs during inhalation, indicative of abnormalities such as pulmonary fibrosis or heart failure.

Ventricular Fibrillation

A life-threatening heart rhythm that results in rapid, erratic electrical impulses in the ventricles, leading to ineffective pumping of blood.

Serum Potassium

The concentration of potassium in the serum part of blood, important for nerve function, muscle control, and heart function.