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Write a recursive formula and an explicit formula for the following arithmetic sequence.
13, 22, 31, 40, 49, .....
A recursive formula is a1 = ___, an = ___.

Write a recursive formula and an explicit formula for the following arithmetic sequence 13 22 31 40 49 A recursive formula is a1 an class=

Respuesta :

Assuming that 13 is the first point in the data a1 is 13. With the pattern given, a(n) = 4 + 9n

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