Let f: R R be a function defined by f(x)= x^2-8 x^2+2 . Then, f i… - Vidyadip

MCQ

Let $f: R \rightarrow R$ be a function defined by $\text{f(x)}=\frac{\text{x}^2-8}{\text{x}^2+2}.$ Then$, f$ is:

A
One$-$one but not onto.
B
One$-$one and onto.
C
Onto but not one$-$one.
✓
Neither one$-$one nor onto.

✓

Answer

Correct option: D.

Neither one$-$one nor onto.

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