Find $a _ { n } \text { and } a _ { 6 }$

question 398

Multiple Choice

Find $a _ { n } \text { and } a _ { 6 }$ for the following arithmetic sequence.
- $$a _ { 1 } = 42 , d = - 8$$

• A) \(a _ { n } = 42 + 8 n , a _ { 6 } = 90\)
• B) \(a _ { n } = 42 + 8 ( n - 1 ) , a _ { 6 } = 82\)
• C) \(a _ { n } = 42 - 8 n , a _ { 6 } = - 6\)
• D) \(a _ { n } = 42 - 8 ( n - 1 ) , a _ { 6 } = 2\)

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Definitions:

Cash Flows

The total amount of money being transferred into and out of a business, which affects the company's liquidity.

Initial Cost

The upfront expenditure related to acquiring or starting a new project or investment, not including ongoing or future costs.

Risk Level

A measure of the uncertainty associated with achieving return objectives within investing, often determined by the volatility in asset prices and market fluctuations.

Project Life

The duration from the initiation to the conclusion of a project, encompassing all stages of development and execution.