Question

Give the pattern rule of the following sequences. 1. 1, 4, 7, 10, 13 Rule:____________ 2. 2,8,32,128,512 Rule:_________ 3. 23,31,39,47,55 Rule:_________ 4. 2,9,44,219,1094 Rule:__________ 5. 3,8,18,78 Rule:________​

Answer 1

Answer:

+3,+3

×4, ×4

+8, +8

?????

×2+2, ×2+2