what is range,domain,co-domain

Asked by devsingh71 | 1st May, 2014, 09:11: PM

Expert Answer:

Consider a function f from the set A={1,2,3,4} to the set B={1,2,3,4,5,6,7,8 such that \"«math.
Let us observe the pictorial representation of the function.
 
It is clear that, for each and every element of the set A is mapped to a unique element of B.
 
The set of elements {1,2,3,4} is called the domain of the function.
 
The set of elements {1,2,3,4,5,6,7,8} is called the co-domain of the function.
 
The actual elements that are mapped, {2,4,6,8} is called the range of the function.
 
 

Answered by Vimala Ramamurthy | 2nd May, 2014, 09:17: AM

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