Click on the graph to view a larger graph
The function $h(x)$ is given in the following graph.

On what interval(s) is the function decreasing?
Note: Write the answer using (open) interval(s). If the answer includes more than one interval enter the intervals separated by the union symbol, U.

Enter the corresponding function value in each answer space below:

1. $h(-2)$
2. $h(1)$
3. $h(-3)$
4. $h(3)$