The General Term of a Sequence Is Given $$a _ { n } = \frac { ( - 1 ) ^ { n - 1 } } { 7 n } ; S _ { 4 }$$

question 180

Multiple Choice

The general term of a sequence is given. Find the indicated partial sum.
- $$a _ { n } = \frac { ( - 1 ) ^ { n - 1 } } { 7 n } ; S _ { 4 }$$

• A) \(\frac { 25 } { 84 }\)
• B) \(- \frac { 25 } { 84 }\)
• C) \(\frac { 1 } { 12 }\)
• D) \(- \frac { 1 } { 12 }\)

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Definitions:

Average Collection Period (ACP)

The average amount of time it takes for a business to receive payments owed by its customers.

Revenue Forecast

An estimate of the amount of money a company expects to earn over a specific period in the future.

Sustainable Growth Rate

The maximum rate at which a company can grow without needing to increase financial leverage.

Retention Ratio

The proportion of net income that is retained by a company rather than distributed to its shareholders as dividends.