Evaluate the Sum $\sum _ { k = 2 } ^ { 5 } 2 k$

question 361

Multiple Choice

Evaluate the sum. $\sum _ { k = 2 } ^ { 5 } 2 k$

• A)28
• B)5
• C)2
• D)56
• E)none of these

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Definitions:

Perfectly Elastic

A situation where the quantity demanded or supplied changes infinitely in response to any change in price.

Marginal Expenditure Curve

A graphical representation that shows the change in total expenditure incurred by purchasing one additional unit of a good or service.

Economic Rent

Amount that firms are willing to pay for an input less the minimum amount necessary to obtain it.

Factor Of Production

Resources used in the creation of goods and services, typically categorized into land, labor, capital, and sometimes entrepreneurship.