Find the open intervals where the function graphed below is a) increasing. a) List any open interval(s) on which the function is increasing. Select the correct choice below and, if necess or b) decreasing. complete your choice. OA. (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function is never increasing. b) List any open interval(s) on which the function is decreasing. Select the correct choice below and, if nece to complete your choice. OA. (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function is never decreasing. - 10 -8 -3 -4 - 4 8