Find the Sum of the First N Terms of the Following

question 2

Multiple Choice

Find the sum of the first n terms of the following arithmetic sequence.
- $$a _ { 1 } = - 12 , d = 4 ; \quad n = 5$$

• A) \(- 48\)
• B) \(- 20\)
• C) \(- 60\)
• D) 8

---

Definitions:

Productivity

The effectiveness of productive effort, especially in industry, as measured in terms of the rate of output per unit of input.

Conscientiousness

A personality trait characterized by thoroughness, a desire to do a task well, and attention to detail.

Job Setting

The environment or location where an individual's professional work activities take place, including the physical and cultural atmosphere.

Five-Factor Model

A comprehensive model that outlines five broad dimensions of personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism, used in psychological assessment.