If f : R to R , then f (x) =|x| is...

If `f : R to R ,` then `f (x) =|x|` is

A

1) One-one but not onto

B

2) Onto but nt one-one

C

3) One-one and onto

D

4) neither one- one nor onto

Verified by Experts

The correct Answer is:

D

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