answers items by formulating/finding the rule in finding the next term in a sequence
a. 2, 5, 14, 41, 122 ___________
b. 1, 5, 13, 29, 61 ___________
c. 1, 12, 34, 78, 166 ___________
d. 6, 9, 15, 27, 51 ___________



Write the rule used for reach sequence, then write the missing number.
Rule
1. 3, 7, 11, 15,_____ ____________
2. 5, 9, 17, 33,_____ ____________
3. 20, 12, 8, 6,_____ ____________
4. 2, 8, 26, 80,_____ _____________
5. 36, 69, 135, 267,_______ _____________​