Use the graph to determine the following (a) Find the numbers at which f has a relative maximum. What are these relative maxima? (b) Find the numbers at which f has a relative minimum. What are these relative minima? 5-4 (a) The number(s) at which f has a relative maximum is/are □ (Type an integer or a decimal. Use a comma to separate answers as needed) The relative maximum/maxima is/are Type an integer or a decimal. Use a comma to separate answers as needed) (b) The numbers) at which f has a relative minimum is/are (Type an integer or a decimal Use a comma to separate answers as needed) The relative minimum/minima is/are [] (Type an integer or a decimal Use a comma to separate answers as needed )