o AT&T as HW 3 2: Problem 6 (1 point) Use the given graph of the function fto answer the following questions. 1. Find the open interval(s) on which fis concave upward- Answer (in interval notation): (0.2)U(4.5)U(5.8) 2. Find the open intervai(s) on which f is concave downward. Answer (in interval notation): (2,5) 3. Find the coordinates of the points of inflection. List your answers as points in the form (a, b). Answer (separate by commas): (2,5) Note: You can click on the graph to enlarge the image. please use interval notation