Find the Nth Term of the Geometric Sequence $4,2,1 , \frac { 1 } { 2 } , \ldots$

question 159

Multiple Choice

Find the nth term of the geometric sequence.
- $4,2,1 , \frac { 1 } { 2 } , \ldots$

• A) \(a _ { n } = 4 \left( \frac { 1 } { 4 } \right) ^ { n - 1 }\)
• B) \(a _ { n } = \frac { 1 } { 2 } ( 4 ) ^ { n - 1 }\)
• C) \(a _ { n } = 4 \left( \frac { 1 } { 2 } \right) ^ { n - 1 }\)
• D) \(a _ { n } = 4 \cdot 2 ^ { n - 1 }\)

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Definitions:

Negative Punishment

A behavior modification technique involving the removal of a desirable stimulus to decrease the likelihood of an unwanted behavior's recurrence.

Negative Reinforcement

The process of strengthening a behavior by removing or avoiding a negative outcome or stimulus.

Positive Punishment

A method of behavior modification that involves the addition of an unfavorable outcome or stimulus following an undesirable behavior to decrease its occurrence.

Negative Punishment

A behavior modification technique where a favorable stimulus is removed after a certain behavior, decreasing the likelihood of that behavior occurring in the future.