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Antiderivatives Graphically & Numerically

  1. Apr 10, 2008 #1
    1. The problem statement, all variables and given/known data

    Using the graph of g’ in the figure below and the fact that g(0) = 50, sketch the graph of g(x). Give the coordinates of all critical points and inflection points of g.


    2. Attempt and Question(s)

    My first sketch of the graph had local maximums at x=50 and x=40 and a local minimum at x=15.

    I had inflection points at x=10 and x=20.
    The graph was concave down on the intervals (0, 10) and (20, 40).
    It was concave up on the interval 10<x<20.

    Hopefully I have my sketch of the graph right up to this point. My only doubt about it is the fact that the graph of the derivative has sharp corners and isn't smooth. I do not know if this needs to be accounted for and, if it does, I am completely lost.

    Also, I'm wondering what steps I can take in order to find the coordinates of the critical points and inflection points. I'm confident I have the x-values correct but can't figure out how to solve for the y-values.
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
    Last edited by a moderator: Apr 23, 2017
  2. jcsd
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