Question
What is the recursive rule for an=2n+11?
a1=13;an=an−1+2
a1=13;an=an−1+11
a1=2;an=an−1+11
a1=11;an=an−1+2
a1=13;an=an−1+2
a1=13;an=an−1+11
a1=2;an=an−1+11
a1=11;an=an−1+2
Answers
Jay
@ms.sue
Reiny
a1 = 13
a2 = 15 = a1 + 2
a3 = 17 = a2 + 2
...
a<sub>n</sub> = a<sub>n-1</sub> + 2 , n > 1
a2 = 15 = a1 + 2
a3 = 17 = a2 + 2
...
a<sub>n</sub> = a<sub>n-1</sub> + 2 , n > 1