Find the Sum of the Sequence $$\sum _ { k = 1 } ^ { 4 } ( - 1 ) ^ { k } ( k + 6 )$$

question 173

Multiple Choice

Find the sum of the sequence.
- $$\sum _ { k = 1 } ^ { 4 } ( - 1 ) ^ { k } ( k + 6 )$$

• A) 2
• B) 34
• C) -34
• D) 26

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Definitions:

Contra-Revenue Accounts

Accounts that are used to record reductions in gross revenue, such as sales returns and allowances, and discounts.

Sales Discount

A reduction in price given by a seller to a buyer, often to encourage prompt payment.

Sales Tax Payable

A liability account used to keep track of sales tax that has been collected from customers but not yet remitted to the government.

Discount Period

The timeframe during which a discount is offered for the early payment of an invoice or a bill, encouraging quicker payment.