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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
2 Nov 2021

Given information

The graph of the derivative of a continuous function is shown:

Step-by-step explanation

Step 1.

Here the graph of the intersects the X- axis at  .So the points are either maximum or minimum.

From the graph,  goes from negative to positive in Y axis at  and again goes negative Y axis at    and again goes positive Y axis at   .Therefore can say that,

For to  and to   and to   the function   concave upward.

For to   and to   and to   the function   concave downward.

 

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