Evaluate the Sum $$\sum _ { k = 1 } ^ { 4 } ( - 1 ) ^ { k } \cdot - 2 k$$

question 223

Multiple Choice

Evaluate the sum. Round to two decimal places, if necessary.
- $$\sum _ { k = 1 } ^ { 4 } ( - 1 ) ^ { k } \cdot - 2 k$$

• A) 20
• B) \(- 4\)
• C) \(- 20\)
• D) 16

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Definitions:

Profit-maximizing

The process of adjusting output and production levels to achieve the highest possible profits.

Output Units

A measure of production that represents the total quantity of goods and services produced over a specific period of time.

ATC

Average Total Cost, a firm's total cost divided by its total output.

Demand

The quantity of a specific good or service that consumers are willing and able to purchase at different price levels, at a given time.