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Give an example of a map which is neither one-one nor onto.

 Give an example of a map 
 which is neither one-one nor onto. 

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student
Let f: R → R, be a mapping defined byf (x) = x^4
Then clearly f (x) is not one-one as f (1) = f (-1).
Also range of f (x) is [0, ∞).
Thus, f (x) is neither one-one nor onto.

Thanks

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