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If N is the set of alll natural numb...

If N is the set of alll natural numbers then which of the following is true

A

`f(x) = 3x -2` does not map N to N

B

`f(x) =x^2 +1` does not map N to N

C

`x to x^2 - 3x +1` does not map N to N

D

`x to ( x (x+1))/( 2) ` does not map N to N

Text Solution

Verified by Experts

The correct Answer is:
C
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