Question

Find an equation for the nth term of the arithmetic sequence. 9, 11, 13, 15...

A. an = 9 + 2(n-1)
B. an = 9 + 2(n+1)
C. an = 9 + 2
D. an = 9 * 2(n)

Answer 1

A

Explanation:

Answer 2

2n+7

Explanation:

find the difference

and see the difference from the 2 Times table to the original sequence

and write it as an equation for this sequence