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Mathematics 12 Online
OpenStudy (mony01):

True or False: If f(x) is continuous on a closed interval, then it is enough to look at the points where f'(x) = 0 in order to find its absolute maxima and minima.

OpenStudy (anonymous):

false, consider the function y = abs(x). It is continuous every but f'(x) = 0 does not exist.

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