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Home > CALC > Chapter 4 > Lesson 4.4.2 > Problem 4-143


The graph of is shown below. Find the intervals where is increasing, decreasing, concave up, and concave down.

We are looking at a graph of , but being asked about the graph of .
So think about what tells us about .

If is positive, then is increasing (and vice versa).
If is increasing, then is concave up (and vise versa).