Find the Indicated Term of the Sequence $$\begin{array} { l } a _ { n } = ( - 1 ) ^ { n } ( 3 n - 1 ) \\a _ { 16 } = \square\end{array}$$

question 125

Multiple Choice

Find the indicated term of the sequence. $$\begin{array} { l } a _ { n } = ( - 1 ) ^ { n } ( 3 n - 1 ) \\a _ { 16 } = \square\end{array}$$

• A)-44
• B)47
• C)49
• D)-2
• E)45

---

Definitions:

Psychological Difficulties

Mental or emotional challenges that can affect an individual's cognition, behavior, or emotions, making daily functioning difficult.

Major Depressive Disorder

A mental health condition characterized by persistent feelings of sadness, hopelessness, and a lack of interest in activities, seriously affecting daily functioning.

Electroconvulsive Therapy

A medical treatment most commonly used for severe depression, involving electric currents passed through the brain to induce seizures that can lead to therapeutic effects.

Cingulotomy

A neurosurgical procedure that targets the cingulate gyrus to treat various psychiatric disorders, including obsessive-compulsive disorder and major depression, by severing certain connections within the brain.