determine the interval(s) on which the function is (strictly) decreasing. write your answer as an interval…

determine the interval(s) on which the function is (strictly) decreasing. write your answer as an interval or list of intervals. when writing a list of intervals, make sure to separate each interval with a comma and to use as few intervals. click on \none\ if applicable.
Answer
Explanation:
Step1: Identify decreasing - part of graph
Observe where y - values decrease as x increases.
Step2: Determine interval endpoints
From the graph, the function is decreasing from $x=-6$ to $x = - 3$.
Answer:
$(-6,-3)$