Simplify the Rational Expression $$\frac { 21 x - 15 } { 5 - 7 x }$$

question 41

Multiple Choice

Simplify the rational expression. If the rational expression cannot be simplified, so state.
- $$\frac { 21 x - 15 } { 5 - 7 x }$$

• A) cannot be simplified
• B) 3
• C) \(- 3\)
• D) \(- \frac { 1 } { 3 }\)

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobic responses or anxiety through gradual exposure to the feared object or situation, combined with relaxation exercises.

Cognitive Therapy

A form of psychotherapy that emphasizes the importance of thought patterns in influencing behavior and emotions, aiming to change negative thoughts to improve mental health.

Rational-Emotive Therapists

Therapists who practice a form of psychotherapy that identifies irrational beliefs, challenges them, and encourages the adoption of healthier, more rational thought patterns.

Unrealistic Beliefs

Thoughts or expectations that are not grounded in reality or practicality, often leading to disappointment or failure.