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Relations and Functions — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsRelations and Functions1 Mark
MCQ
Choose the correct answer from the given four options. Let $f : R \rightarrow R$ be defined by $\text{f}(\text{x})=\frac{1}{\text{x}}\ \forall\ \text{x}\in\text{R}.$ Then $f$ is:
  • A
    one$-$one.
  • B
    onto.
  • C
    bijective.
  • ✓
    $f$ is not defined.
✓

Answer

Correct option: D.
$f$ is not defined.

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