An arithmetic sequence is represented by the explicit formula a(n) = 2 + 9(n - 1). what is the recursive formula? question 11 options: a(n) = a(n - 1) - 9 a(n) = a(n - 1) - 2 a(n) = a(n - 1) + 2 a(n) = a(n - 1) + 9