easy its decreasing
step-by-step explanation:
because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day
![Is this function increasing, decreasing, or constant?](/tpl/images/02/05/jY4t5MjTkRC8vRPS.jpg)