If a1=3 and an=2an-1+-2, find the first 5 terms of the sequence

Answer 1

For a₁ = 3 and a_n = 2a_n-1 - 2:

1. a₁ = 3
2. a₂ = 2a₁ -2 = 2(3) - 2 = 4
3. a₃ = 2a₂ - 2 = 2(4) - 2 = 6
4. a₄ = 2a₃ - 2 = _______
5. a₅ = ____