(1 point) Use the given graph of the function f to answer the following questions. 1. Find the open interve](s] on which f is oonceve upward. mm (0.1], (1.2}. (5.3} downward. E 2. Find the openI intervel(s] on which f is oonce Answer: (2- 31- {3-4} 3. Find the coordinates of the points of lneotion. List your drawers as points In the form (a, b). Anemia-{separate by commas}: {1,2}, (3.4}, {5,3} E Notebucencckonmegrephioenlergemeimege