Which of the graphs shows a surjective function ?




As we have learned
Onto function -
If f:AB is such that each & every element in B is the f image of atleast one element in A.Then it is Onto function.
- wherein
The range of f is equal to Co - domain of f.
This shows a surjective function , since
Range = codomain
Option 1)

Option 2)

Option 3)

Option 4)

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