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Given the sequence of numbers, a4=13, a5=16, a6=19, a7=22, and a8=25.

Which recursive rule can be used to find the nth term of the sequence, an?


a1=13; an=an−1+3

a1=4; an=an−1−3

a1=4; an=an−1+3

a1=13; an=3an−1