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Let the function f:RR rarr RR be defined...

Let the function `f:RR rarr RR` be defined by `f(x)=x^(2) (RR` being the set of real numbers), then f is __

A

many - one and onto mapping

B

one-one and onto mapping

C

one-one and into mapping

D

many-one and into mapping

Text Solution

Verified by Experts

The correct Answer is:
D
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