Express the Sum Using Summation Notation $\sum _ { k = 1 } ^ { 8 } k ^ { 2 }$

question 48

Multiple Choice

Express the sum using summation notation.
-2 + 4 + 6 + ... + 16

• A)
• \(\sum _ { k = 1 } ^ { 8 } k ^ { 2 }\)
• B)
• \(\sum _ { k = 0 } ^ { 8 } 2 k\)
• C)
• \(\sum _ { k = 1 } ^ { 8 } 2 k ^ { 2 }\)
• D)
• \(\sum _ { k = 1 } ^ { 8 } 2 k\)

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Definitions:

Total Utility

The overall satisfaction or pleasure a person derives from consuming a certain amount of goods or services.

Marginal Utility

The additional satisfaction or utility received by consuming one more unit of a good or service.

Total Utility

The overall pleasure or value derived by using a certain amount of an item or service.

Marginal Utility

The extra pleasure or benefit a buyer receives from purchasing an additional unit of a product or service.