The function f(x) is graphed below.
https://mpsonline.owschools.com/media/g_alg02_ccss_2016/1/img_quiz.gif
(link has graph for equation)

In two or more complete sentences, describe how to find the interval(s) where the function is decreasing and how interval notation is used to express the interval(s). In your final answer, include the interval in which the function is decreasing.

Question

The function f(x) is graphed below.
https://mpsonline.owschools.com/media/g_alg02_ccss_2016/1/img_quiz.gif 
(link has graph for equation)
 
In two or more complete sentences, describe how to find the interval(s) where the function is decreasing and how interval notation is used to express the interval(s). In your final answer, include the interval in which the function is decreasing.

anthonyym · Answer

A decreasing interval is when the y-value of the graph decreases (as you go from left to right).
So can you find where the graph decreases relative to the y-axis? In other words where the graph goes down.