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Math Help - True or False Calculus

  1. #1
    Member mybrohshi5's Avatar
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    True or False Calculus

    I hate true or false i always over think them.

    can someone check these and let me know which ones are wrong.

    1. . ----F
    2. If , then .----F
    3. If , then is either a local maximum or a local minimum.----T
    4. If for all in , then is decreasing on .----T
    5. Differentiable functions are always continuous.----F
    6. If and , then has a local minimum at .----F
    7. A continuous function on a closed interval always attains a maximum and a minimum value in .----T


    Thanks for any help. I really appreciate it.
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