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Volume of water in a trough is x(2x^(2)+...

Volume of water in a trough is `x(2x^(2)+2x+5) cm^(3)` when the depth ter is `x cm`.Water is poured into the trough at the rate of `100 cc//sec`. When the depth of water in it is `5 cm,` water level is rising at the rate of

A

`(4)/(7) cm //sec`.

B

`(7)/(4) cm //sec`.

C

`28 cm //sec`.

D

`0.28 cm //sec`.

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The correct Answer is:
A
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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