Question

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 as possible.

Answer 1

Explanation

Given the graph, we are asked to find the intervals where the function is strictly decreasing, This implies that the intervals where the slope is negative.

From the graph, this occurs at two positions.

This can be seen below.

Answer:

$(-3,2)\cup(2,5)$