determine the interval(s) on which the function is constant. write your answer as an interval or list of…

determine the interval(s) on which the function is constant. 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 as possible. click on “none” if applicable.
Answer
Explanation:
Step1: Identify horizontal - line segments
A function is constant when its graph is a horizontal line. In the given graph, we look for such segments.
Step2: Determine the x - intervals
The horizontal - line segment of the function occurs from (x=-2) to (x = 0).
Answer:
([-2,0])