Respuesta :

ivycoveredwalls
recursive formula.

Example:  [tex]a_1 = 3, a_{n+1} = a_n + 5[/tex]

generates a sequence of numbers 3, 8, 13, 18, 23, ...

The formula says (1) the first term is 3, and (2) to get the next term, add 5 to the previous term.

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