Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Increasing on ($-\infty$,$\infty$)
B. Decreasing on ($-\infty$,$\infty$)
C. Increasing on ($-\infty$,0); decreasing on (0,$\infty$)
D. Decreasing on ($-\infty$,0); increasing on (0,$\infty$)
