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which of the following recursive formulas represents the same arithmetic sequence as the explicit formula an= -2 + (n-1)3?

which of the following recursive formulas represents the same arithmetic sequence as the explicit formula an 2 n13 class=

Respuesta :

Answer: C.[tex]\left \{ {{a1=-2} \atop {an=a(n-1)+3}} \right.[/tex]

because it is the arithmetic progression with d = 3

=> a(n) = a1 + (n - 1).3

so, have: a1 = -2

               an = a(n-1) + 3

Step-by-step explanation:

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