Choose the One Alternative That Best Completes the Statement or Answers

question 298

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Find the domain of the rational function.
- $$f ( x ) = \frac { - 2 x ( x + 2 ) } { 2 x ^ { 2 } - 3 x - 5 }$$

• A) \(\left\{ x \mid x \neq - \frac { 5 } { 2 } , 1 \right\}\)
• B) \(\left\{ x \mid x \neq \frac { 2 } { 5 } , - 1 \right\}\)
• C) \(\left\{ x \mid x \neq \frac { 5 } { 2 } , - 1 \right\}\)
• D) \(\left\{ x \mid x \neq - \frac { 2 } { 5 } , 1 \right\}\)

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Definitions:

ACh Agonists

Substances that mimic or enhance the action of acetylcholine, a neurotransmitter involved in muscle activation and several brain functions.

Adrenal Glands

Endocrine glands located above the kidneys that produce various hormones, including adrenaline and cortisol, which help control blood sugar, burn protein and fat, react to stressors, and regulate blood pressure.

Acetylcholine

A neurotransmitter in the brain and body involved in many functions including muscle activation, heartbeat regulation, and memory formation.

Epinephrine

A crucial chemical in stress response, responsible for preparing the body for quick action by boosting energy levels and alertness.