Valishati Valishati

07-04-2020
Mathematics

contestada

If f(x)= \int\limits^x_0 cos(t^2)dt for -2.5≤x≤2.5, on which interval is f increasing?

If fx intlimitsx0 cost2dt for 25x25 on which interval is f increasing class=

Respuesta :

amna04352 amna04352

07-04-2020

Answer:

C

Step-by-step explanation:

It will be increasing when

cos(x²) > 0

cos is positive:

[0, pi/2]

0 < x² < pi/2

-sqrt(pi/2) < x < sqrt(pi/2)

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