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Mathematics 11 Online
OpenStudy (anonymous):

Please help! satisfy (hypothesis of Rolle's Theorem)

OpenStudy (anonymous):

OpenStudy (anonymous):

\[ f(x) = x\sqrt{21-x} \] What've you got so far?

OpenStudy (anonymous):

closed interval \[ [0,21] \]

OpenStudy (anonymous):

@AllTehMaffs well, I thought the answer was 2, but it's not.

OpenStudy (anonymous):

what'd you get for your derivative?

OpenStudy (anonymous):

I'm getting 14, too :/

OpenStudy (anonymous):

the only solution is 14, so I guess the alternative is that is doesn't satisfy the hypothesis, but that makes no sense. because it does... :/

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