Here is the recursive definition of a sequence: f(1) = 10, f(n) = f(n-1) - 1.5 for n ≥ 2.
1. Is this sequence arithmetic, geometric, or neither?
2. List at least the first five terms of the sequence.
3. Graph the value of the term f(n) as a function of the term number n for at least the first five
terms of the sequence.