Determine Whether or Not the Function Is One-To-One $\{ ( 1,27 ) , ( 2,40 ) , ( 3,55 ) , ( 4,55 ) , ( 5,21 ) \}$

question 54

Multiple Choice

Determine whether or not the function is one-to-one.
- $\{ ( 1,27 ) , ( 2,40 ) , ( 3,55 ) , ( 4,55 ) , ( 5,21 ) \}$

• A) Yes
• B) No

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Definitions:

Two-part Tariff

A two-part tariff is a pricing strategy that includes a fixed fee plus a variable charge based on the quantity of goods or services consumed.

Up-front Fee

An up-front fee is a charge or payment required before the receipt of a service or product, typically used to cover initial costs.

Price Discrimination

Price discrimination is a pricing strategy where identical or substantially similar goods or services are sold at different prices by the same provider in different markets or to different segments of consumers.

Optimal Two-part Tariffs

A pricing strategy that includes a fixed fee plus a variable charge based on usage, designed to maximize profit while catering to consumer usage patterns.