Find the Common Difference of the Sequence $\mathrm { a } _ { 1 } = 3.82 , \mathrm { a } _ { 4 } = 12.16 ; \text { find } \mathrm { d }$

question 134

Multiple Choice

Find the common difference of the sequence.
- $\mathrm { a } _ { 1 } = 3.82 , \mathrm { a } _ { 4 } = 12.16 ; \text { find } \mathrm { d }$

• A)8.34
• B)2.78
• C)3.82
• D)2.085

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Definitions:

Humanistic Psychology

The school of psychology that focuses on the uniqueness of human beings and their capacity for choice, growth, and psychological health.

Psychoanalysis

A therapeutic approach and theory of psychology developed by Sigmund Freud that aims to treat mental disorders by investigating the interaction of conscious and unconscious elements in the mind.

Cognitive Psychology

A branch of psychology that studies mental processes such as perception, memory, thought, and problem-solving.

Gestalt Psychology

A theory of mind and brain proposing that the operational principle of the brain is holistic, parallel, and analog, with self-organizing tendencies; or, the idea that the perceptual whole is different than the sum of its parts.