1-2 Characteristics of Polynomial Functions MHF4U K Stewart (HW optional questions) 1. 2. 3. The finite difference in a cubic function is -24 so the leading coefficient must be -4 -12 -8 0% 1 0% 2 0% 3 The graph below must be of a function of an odd degree. 1. 2. True False 0% 1 0% 2 The minimum degree of the function of the graph below is 1. 2. 3. 4. 3 4 5 6 0% 1 0% 0% 2 3 0% 4 The leading coefficient of this graph is negative. 1. 2. True False 0% 1 0% 2 Given f (x) = 0.5x -4x + 1 3 1. 2. 3. The function will be symmetric about the origin. The function will be symmetric about the y – axis. Neither of these. 0% 1 0% 2 0% 3 The volume, V, in cm3, of a collection of boxes can be modelled by V (h) = 4h 3 – 220h 2 + 2800h where h is the height of each box in cm. Which of the following statements are true? 1. 2. 3. 4. 5. h (0 , ) V>0 h V More than one of these is true 0% 1 0% 2 0% 3 0% 4 0% 5