1)
3 cookies per day
Day Cookies
Day 1 2
Day 2 5
Day 3 8
Day 4 11
(...)
2) Let's do an explicit expression, to that Arithmetic Sequence
F(n) = 2 +(n-1)3
Where the first is 2, the common ration is 3.
5.9m questions
7.7m answers