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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 1 · Q13
If f( x )=2 x + cos x, then f( x ):
If $\displaystyle f(\mathrm{x})=2 \mathrm{x}+\cos \mathrm{x}$, then $\displaystyle f(\mathrm{x})$ :
Official answer
(C)
is an increasing function
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