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If f:R rarr(0, 1] is defined by f(x)=(1)...

If `f:R rarr(0, 1]` is defined by `f(x)=(1)/(x^(2)+1)`, then f is

A

a function

B

one one

C

onto

D

one one onto

Text Solution

Verified by Experts

The correct Answer is:
C
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