Let f:R rarr R be a function defined by ...

Let `f:R rarr R` be a function defined by `f(x)=(x^2-8)/(x^2+2)`, then f is:

A

One-one but not onto

B

One-one and onto

C

Onto but not one-one

D

Neither one-one nor onto

Verified by Experts

The correct Answer is:

D

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