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Let f : N rarr N be defined by f(x)=x^(2...

Let `f : N rarr N` be defined by `f(x)=x^(2)+x+1, x in N`. Then f is

A

one-one onto

B

many-one onto

C

one-one but not onto

D

into

Text Solution

Verified by Experts

The correct Answer is:
C
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