GATE | GATE CS 2020 | Question 11
Consider the functions
I.
II.
III.
Which of the above functions is/are increasing everywhere in [0, 1] ?
(A) â…¢ only
(B) â…¡ only
(C) â…¡ and â…¢ only
(D) â… and â…¢ only
Answer: (A) Explanation: If the derivative of a function is positive in given domain, then it is increasing function, else decreasing function.
So,
I.
II.
III.
Therefore, only (III) is increasing everywhere in [0, 1].
Option (A) is correct.
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Last Updated :
17 Dec, 2021
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