Question

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Which of the following is an arithmetic sequence?
3, 4, 6, 9, 13
1, 3, 6, 10, 15, 21
2, 5, 8, 11, 14
1, 2, 4, 8, 16

Answer 1

C or 3

Explanation:

It is the only one going in a pattern or arithmetic sequence

2 + 3 = 5

5 + 3 = 8

8 + 3 = 11

11 + 3 = 14

The relationship is 3

Answer 2

1, 2, 4, 8, 16

Explanation:

Each gets higher everytime you multiply by 2