Gujarat BoardEnglish MediumSTD 11 ScienceMATHSFunctions2 Marks
Question
Define a function as a correspondence between two sets.
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Answer
Function: Let A and B be two non-empty sets. Then a function 'f' from set A to swt B is a rule or method or correspondence which associates element of set A to elements of set b such that,
All elements of set A are associated to element in set B.
An element of se A is associated to a unique element in set B.
In other words, a function 'f' from a set a to set B associates each element of set A to a unique element of set b.
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