function-machine/mixed-medium · Sett 73

8 problems
1
Input: 7 → [+2] → ? =
2
Input: 2 → [?] → 5, what is the rule? =
3
Input: 5 → [?] → 18, what is the rule? =
4
Input: 4 → [?] → 9, what is the rule? =
5
Input: 7 → [?] → 21, what is the rule? =
6
Input: 9 → [?] → 26, what is the rule? =
7
? → [×2 + 1] → 9 =
8
? → [×2 + 3] → 11 =
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