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Math Help - question using Weirestress theorem

  1. #1
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    israel
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    question using Weirestress theorem

    f is a continous function at R which gets a local maximum at point x{}_{0}. i need to prove - formal proof, not just words - that if f doens't have any other extremas, f gets maximum at x{}_{0}

    for clarification of how us in the course define extrema: " f(x) is an extrema value if f(x) is a local minimum or a local maximum of f. in this case we'd say that the point (x,f(x)) on f's graph is called an extrema of f"
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  2. #2
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    israel
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    Re: question using Weirestress theorem

    oh.. the clue is to use the second sentence of Weirestress..
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