The graphed function is decreasing on this following interval:
(-5, 5).
When a function is decreasing, looking at it's graph?
Looking at the graph, we get that a function f(x) is decreasing when it is "moving southeast", that is, to the right and down on the graph, meaning that when x increases, y decreases.
From this problem, there is only one interval, from x = -5 to x = 5, hence the interval is (-5, 5).
More can be learned about decreasing functions at https://brainly.com/question/2649645
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