Question 9 (10 points)
(04.05 HC)
The sequence.
12
5
....is given.
Part A: Assuming the pattern continues, list the next four terms in the sequence. Show all necessary math work. (4 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(56) positive or negative? Justify your reasoning mathematically without determining the value of f(56). (2 points)