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A mapping is a function that is represented by two sets of objects with arrows drawn between them to show the relationships between the objects.

In all mappings, the oval on the left holds values for the **domain**, and the oval on the right holds values for the **codomain**.

The figure shows a mapping of people and the sports they play. The mapping in (a) shows that Albert and Bill play basketball, Carla plays golf, and nobody plays football or hockey. The domain is {Albert, Bill, Carla}, and the codomain is {Basketball, Football, Golf, Hockey}. The sports that they do play {Basketball, Golf} comprise the range. The domain, codomain, and **range** are always listed using **set notation**.

In (b) of the figure, the domain is {Donna, Elisha, Fernando}, the codomain is {Basketball, Golf, Hockey}, and the range is {Basketball, Golf, Hockey}. In this example...

This section contains 722 words(approx. 3 pages at 300 words per page) |