Class 11 Maths Relation Functions Function

Function is a Set of action or activity.

E.g.: We can assume police as a function that will arrest a thief & lodge complain for a victim.

Consider function like a black box, if you give a input, it will give some output based on your input.

 

 

Function in mathematics world:

F(x) = x2

 

Note that 2 different input can have same output as well, eg for F(x) = x2 , both -5 & 5 gives output as 5.

But one input can’t have multiple outputs. E.g.: Input 3 will always give 9 in this case as output; it can’t give any other output.

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