The sequence -1 3 _% 4! 5' v 4 . . -1 Is given. 7 Part A: Assuming the pattern continues, list the next fourterms in the sequence. Show all necessary math work. (A points) Part B: Write the explicit equation for f (n) to represent the sequence. Show all necessary math work. (4 points) Part C: Is the sign of f (59) positive or negative? Justify your reasoning mathematically without determining the value of f (59). (2 points)