The below is the phase line for the given equation.
As you see, based on the graph of , we can easily get for and , while for and . Therefore, on , is increasing (i.e, move to the right on the graph), while on , is decreasing (i.e., move to the left). This gives the phase line as you see in the picture above.
In particular, if we start at the point , since it lies on it moves to the left and approaches to as .
Answer: