Consider the functions I. \(e^{-x}\) II. \(x^{2}-\sin x\) III.…

GATE · 2020 · CS · Computer Science & IT

Consider the functions

I.    e−xe^{-x}

II.   x2−sin⁡xx^{2}-\sin x

III.    x3+1\sqrt{x^{3}+1}

Which of the above functions is/are increasing everywhere in [0, 1] ?

  1. A.

    Ⅲ only

  2. B.

    Ⅱ only

  3. C.

    Ⅱ and Ⅲ only

  4. D.

    Ⅰ and Ⅲ only

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