Jamia Millia Islamia MCA Increasing Decreasing Function Previous Year Question Paper and Solution with PDF

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Qus : 1 Jamia Millia Islamia MCA PYQ

The function $f(x)=x+\cos x$ is

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$f'(x)=1-\sin x\in[0,2]$, so $f'(x)\ge0$ for all $x$ (zero only when $\sin x=1$).

Qus : 2 Jamia Millia Islamia MCA PYQ

If a function $f(x)$ is increasing, then its derivative must be:

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Increasing function

$f'(x) > 0$

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