So we want to know what is the A) common difference and B) what is the recursive rule in the given sequence: 2.5, 6, 9.5, 13, 16.5, 20,...... A) the common difference is: 6-2.5=3.5, 9.5-6=3.5, 13-9.5=3.5...and so on, so the common difference d is d=3.5. B) the recursive rule is a
