Find Only the Rational Zeros $$f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 4 x ^ { 2 } + 24 x - 21$$

question 15

Multiple Choice

Find only the rational zeros.
- $$f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 4 x ^ { 2 } + 24 x - 21$$

• A) \(- 7,1\)
• B) 7,1
• C) \(7 , - 1\)
• D) No rational zeros

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Definitions:

Psychodynamic Therapy

A therapeutic approach emphasizing unconscious processes and past experiences in understanding and treating psychological disorders.

Biological Therapy

The use of physical and chemical procedures to help people overcome psychological problems.

Cognitive Therapy

A form of psychotherapy that emphasizes the important role of thinking in how we feel and what we do; it is focused on changing distorted thoughts to improve emotional response and behavior.

Catharsis

The reliving of past repressed feelings in order to settle internal conflicts and overcome problems.