Find all local maximum and minimums of the graph. Approximate as needed.

The graph will have local maximum if it changes from increasing to decreasing and a local minimum if it changes from decreasing to increaing. The graph has a local maximum at LaTeX:  \displaystyle (0, 9) . The graph has local minimums at LaTeX:  \displaystyle (5, -1) and LaTeX:  \displaystyle (-4.9,-5.00) .