Express the Sum Using Summation Notation with a Lower Limit $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + \frac { 15 } { 2 }$$

question 150

Multiple Choice

Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of
summation.
- $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + \frac { 15 } { 2 }$$

• A) \(\sum _ { k = 8 } ^ { 15 } \frac { k } { 2 }\)
• B) \(\sum _ { k = 8 } ^ { 12 } \frac { \mathrm { k } } { 2 }\)
• C) \(\sum _ { \mathrm { k } = 1 } ^ { 15 } \frac { \mathrm { k } } { 2 }\)
• D) \(\sum _ { k = 2 } ^ { 15 } \frac { \mathrm { k } } { 2 }\)

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Definitions:

Benefits

Advantages or positive outcomes that result from a particular action or policy.

Cap-And-Trade

An environmental policy tool that sets a limit on emissions and allows companies to trade allowances for emissions as a way to reduce pollutants.

Pollutant Permits

Government-issued licenses allowing the holder to emit a certain amount of pollution; they can be bought and sold, creating an economic incentive for reducing emissions.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount that they actually do pay.