module 1 quiz score: 64.25/170 answered: 15/34 question 16 identify the open intervals on which the graph…

module 1 quiz score: 64.25/170 answered: 15/34 question 16 identify the open intervals on which the graph below is increasing and decreasing. increasing: decreasing: check answer
Answer
Explanation:
Step1: Recall increasing - decreasing rules
A function is increasing when the graph goes up from left - to - right and decreasing when it goes down from left - to - right.
Step2: Identify increasing intervals
Looking at the graph, it is going up on the intervals $(-5,-2)$ and $(1,5)$.
Step3: Identify decreasing intervals
The graph is going down on the interval $(-2,1)$.
Answer:
Increasing: $(-5,-2)\cup(1,5)$ Decreasing: $(-2,1)$