If f : N xx N rarr N is such that f (m,n...

If `f : N xx N rarr N` is such that `f (m,n) = m+n`, for all `n in N`, where N is the set of all natural numbers, then which of the following is true?

A

f is one-one but not onto

B

f is neither one-one nor onto

C

f is one-one and onto

D

f is onto but not one-one

Verified by Experts

The correct Answer is:

B

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