9. Is this correct?

For the graph shown, identify a) the point(s) of inflection and O b) the intervals where the function is concave up or concave down. O a) The point(s) of inflection is/are (2,6) (Type an ordered pair. Use a comma to separate answers as needed.) b) Identify the intervals where the function is concave up or concave down. The function is concave up on 3| and concave down on (Simplify your answers. Type your answers in interval notation. Use a comma to separate answers as needed.)