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Relations and Functions — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsRelations and Functions1 Mark
MCQ
If $\text{g}(\text{x}) = 1 +\sqrt{\text{x}}$ and $ \text{fg} (\text{x}) = 3 + 2\sqrt{\text{x} +\text{ x}},$ then $\text{f}(\text{x})=$
  • A
    $1 + 2x^2$
  • ✓
    $2 + x^2$
  • C
    $1 + x$
  • D
    $2 + x$
✓

Answer

Correct option: B.
$2 + x^2$

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