What is Function

Mapping or Function: Let A and B be any two non-empty sets. If to each element a (pre-image) belongs to A (domain), there is assigned , in some manner or the other, a unique element b (image) belongs to B (codmain), then such an assignment f is called a mapping or function for A into B and we write f : A--> B.

Mapping or Function: Let A and B be any two non-empty sets. If to each element a (pre-image) belongs to A (domain), there is assigned , in some manner or the other, a unique element b (image) belongs to  B (codmain), then such an assignment f is called a mapping or function for A into B and we write f : A->B.

 
domain-predomain-range-image-preimage-of-function

Check: What is Range of Function; What are the different types of functions ; Domain and Range worked out problem

Worked Out Solved examples for domain or mapping of a function

domain-solved-example

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MathZAG: What is Function
What is Function
Mapping or Function: Let A and B be any two non-empty sets. If to each element a (pre-image) belongs to A (domain), there is assigned , in some manner or the other, a unique element b (image) belongs to B (codmain), then such an assignment f is called a mapping or function for A into B and we write f : A--> B.
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