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Let X and Y be subsets of R, the set of ...

Let X and Y be subsets of R, the set of all real numbers. The function `f: X rarr Y`,
defined by `f(x)=x^(2) for x in X`, is one-one but not onto if (Here` R^(+)` is the set of all +ve real numbers)

A

`X=Y=R^(+)`

B

`X=R, Y=R^(+)`

C

`X=R^(+), Y=R`

D

`X=Y=R`

Text Solution

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The correct Answer is:
C
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