Determining a Sequence Given a Recursive Formula Which sequence could be partially defined by the recursive formula f (n + 1) = f(n) + 2.5 for n ≥ 1? 2.5, 6.25, 15.625, 39.0625, … 2.5, 5, 10, 20 –10, –7.5, –5, –2.5, … –10, –25, 62.5, 156.25