Multiple Choice

What are the next two terms of the following sequence? 1, 5, 9, … Show your work.

27, 211

10, 11

12, 15

13, 17

To determine the pattern in the sequence, we can observe that each term is increased by 4.

1 + 4 = 5
5 + 4 = 9
9 + 4 = 13

Therefore, the next two terms of the sequence are 13 and 17.