stuck this problem

Suppose that the graph below is the graph of for), the derivative of a function Ijk) Find the open intervals whore Ijg) is a) aj Lost any open intervals) on which fix) is increasing. Select the correct choice below and, if necessary, fil in the answer box increasing, or bj doctorsing In complete your choice. OA. (Type your answer in interval notation. Use a comma to separate answers as needed ) O B. The function fix) is never increasing - 10 -3 3 4 2 $10 4