Use the Graph Of $y = f ( x )$ To Identify at Which of the Indicated Points the Derivative

question 19

Multiple Choice

Use the graph of $y = f ( x )$ to identify at which of the indicated points the derivative $f ^ { \prime } ( x )$ changes from positive to negative.

• A)(5,6)
• B)(-1,2), (2,4)
• C)(-1,2), (5,6)
• D)(-1,2)
• E)(2,4), (5,6)

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