Determine Whether the Sequence Is Arithmetic $a _ { n } = - 8 \left( \frac { 1 } { 5 } \right) ^ { n }$

question 23

Multiple Choice

Determine whether the sequence is arithmetic. If so, find the common difference. (Assume that n begins with 1.) $a _ { n } = - 8 \left( \frac { 1 } { 5 } \right) ^ { n }$

• A)-8
• B)5
• C) \(\frac { 1 } { 5 }\)
• D)8
• E)not arithmetic

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Definitions:

Airplane Tickets

Documents issued by airlines that allow passengers to board an aircraft and travel from one destination to another.

Linear

A straight line used to represent a relationship between two variables, showing a constant rate of change from one variable to another.

Inverse Demand Function

Represents the price of a good as a function of its quantity demanded, showing the maximum price consumers are willing to pay for a given quantity of the good.

Price Elasticity

The measure of how much the quantity demanded of a good responds to a change in the price of that good, showing the sensitivity of quantity demanded to price changes.