Calculus I

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  • February 21, 2013 at 12:41 am #13117

    Ezra Halleck
    Participant

    Let be a function satisfying . Which of the following statements must be true?
    A)

    B) for all

    C) The tangent line to the graph of at every point has a positive slope.

    D) is not differentiable at

    February 27, 2013 at 4:19 am #16582

    Jenny P.
    Member

    Is the answer C? Even though the problem doesn’t tell you what f(x) is?

    February 28, 2013 at 5:22 am #16590

    Sem
    Participant

    The answer is C

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