Question

An arithmetic sequence is represented by the explicit formula A(n) = 2 + 9(n - 1). What is the recursive formula?

A. A(n) = A(n - 1) + 2

B. A(n) = A(n - 1) + 9

C. A(n) = A(n - 1) - 9

D. A(n) = A(n - 1) - 2 Reset Selection

Mark for Review What's This?

Answer 1

answer is B

Answer 2

here d is equal to 9

Answer 3

use the formula An=Ax+d(n-x)
then replace x with (n-1)