### Home > CALC > Chapter 4 > Lesson 4.3.2 > Problem 4-112

4-112.

Notice that this is the graph of *f* '(*x*), the slopes of *f*(*x*), and *f*(*x*) will increase where its slopes are positive.

*f* ''(*x*) represents the slopes of the given graph, *f* '(*x*). So look at the graph. Does it have a positive or a negative slope at *x* = 0?