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Use the graph of at right to complete parts (a) through (e) below.

  1. For what -value(s) does have a relative minimum?

    This occurs when changes from negative to positive.

  2. Where does have points of inflection?

    This occurs when the slope of is .

  3. Describe what happens on the graph of when .

    What is the slope of the given graph at ?
    At ?
    At ?

  4. Describe the graph of when .

    Review your answer to part (b).

  5. If , estimate .