Identify the recursive formula for the following sequence: 8, 26, 80, 242, . . .

Each term is 3 times the previous term, then 2 is added: 8 × 3 + 2 = 26, 26 × 3 + 2 = 80, and 80 × 3 + 2 = 242. Thus the recursive formula is aₙ = 3aₙ₋₁ + 2 with a₁ = 8, which is choice B.

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