Determine a pattern and then find 3 additional members for each sequence?

Question

1.2,6,18,54,162

2.1,4,7,10

3.3,5,9,15,23

4.4,1,5,2,6

5.7,10,6,9,5

Answer 1

1) Multiply by 3

486, 1458, 4374

2) Add 3

13, 16, 19

3) add 2 , then 4, then 6, then 8,...

33, 45, 59

4) Subtract 3, then add 4

3, 7, 4

5) add 3, then subtract 4

8, 4, 7

Answer 2

1. 486, 1458, 4374

2. 13, 16, 19

3. 33, 45, 59

4. 3, 7, 4

5. 8, 4, 7