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If co domain is not given and we have to tell it is into or onto . How will we tell?

If co domain is not given and we have to tell it is into or onto . How will we tell?

Grade:12

1 Answers

Jitender Singh IIT Delhi
askIITians Faculty 158 Points
8 years ago
Ans:
If co domain is not specified, we take it as a set of real numbers.
Now you can check, whether range is set of real numbers or a subset of real number.
If it is a set of real number, then onto otherwise into.
Thanks & Regards
Jitender Singh
IIT Delhi
askIITians Faculty

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