### Home > CALC > Chapter 9 > Lesson 9.4.2 > Problem 9-122

9-122.

Use the graph of below to answer the following questions.

At what

-value(s) doeshave a relative minimum?This occurs when

changes from negative to positive.Where does

have a point of inflection?This occurs when the slope of

is. Describe what happens on the graph of

when.What is the slope of the given graph at

?

At?

At?Describe the graph of

when.Review your answer to part (b).

If

, estimate.