Simplify the Rational Expression $\frac { a y - 3 a + 4 y - 12 } { a y - 3 a + 7 y - 21 }$

question 21

Multiple Choice

Simplify the rational expression.
- $\frac { a y - 3 a + 4 y - 12 } { a y - 3 a + 7 y - 21 }$

• A) \(\frac { 4 y - 12 } { 7 y - 21 }\)
• B) \(\frac { ( a + 4 ) ( y - 3 ) } { ( a + 7 ) ( y + 3 ) }\)
• C) \(\frac { ( a + 4 ) ( y + 3 ) } { ( a + 7 ) ( y - 3 ) }\)
• D) \(\frac { a + 4 } { a + 7 }\)

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Definitions:

Liquid Forms

Medications or solutions prepared in a liquid state for easier ingestion or use in medical procedures.

Percutaneous Endoscopic Gastrostomy (PEG) Tube

A tube inserted into the stomach through the abdominal wall, allowing for direct feeding, hydration, or medication administration.

Jejunostomy Tube

Hollow tube inserted into the jejunum through the abdominal wall for administration of liquefied foods to patients who have a high risk of aspiration.

Esophageal Reflux

A condition, also known as GERD, where stomach acid flows back into the esophagus, causing discomfort or damage.