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Discussion in 'Homework Help' started by ziperof, Nov 4, 2011.

  1. ziperof


    Likes Received:
    Oct 5, 2011
    Math=absolute gibberish to me...

    Two questions:

    Determine whether function f defined by
    f(x) = 2 x 2 for x <= 1 and
    f(x) = 2 sqrt(x) for x > 1
    is differentiable at x = 1.


    Find all values of x for which function f defined by
    f(x) = sqrt (x 2 - 2 x + 1)
    is not differentiable.

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