13 3 Analyze the polynomial function f x x x 7x 21 Answer parts a through h 24 8 8 3 4 8 8 e Approximate the turning points of the graph The turning point s of the graph is are 3 16 34 33 5 16 6 90 Type an ordered pair Round each coordinate to the nearest hundredth as needed Use a comma to separate answers as needed f Use the information in parts a through e to draw a complete graph of the function by hand Choose the correct graph below OA www B 100 Ay O C O D