Use the given graph of the function f to answer the following questions Answer Formats Answer Formats Type your answers in interval notation Use INF and INF to denote o and o 5 3 4 2 1 Type your answers in interval notation Use INF and INF to denote 00 and oo Enter NONE if it is not positive negative If there is more than one interval type your answer as a comma separated list For example a b1 az b 2 3 19 Enter NONE if it is not positive negative If there is more than one interval type your answer as a comma separated list For example a b a2 b Part 1 The First Derivative Find the open interval s on which f z is positive negative Type your answers using interval notation 1 f z is positive 2 f z is negative Part 2 The Second Derivative Find the open interval s on which f z is positive negative Type your answers using interval notation 1 f z is positive 2 f 2 is negative