2.1: Introduction to Functions - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Algebra/Intermediate_Algebra_(Arnold)/02%3A_Functions/2.01%3A_Introduction_to_Functions
WebDefinition. The range of a relation is the collection of all ordinates of each ordered pair. Thus, the range of the relation R in (2) is \ [\text { Range }=\ {1,2,4\} \nonumber \] Let’s look at an example. Example \ (\PageIndex {1}\) Consider the relation T defined by \ [T=\ { (1,2), (3,2), (4,5)\} \nonumber \]
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