A sequence starts at and each term is double the previous term plus . What is the fifth term?
Answer and explanation
Correct answer: C. 31
- Step 1: Term .
- Step 2: Term ; term ; term .
- Step 3: Term .
Answer
31.
Why not the others: 30: This doubles the fourth term without adding . 29: This subtracts instead of adding it. 63: This is the sixth term, found by counting one step too far.
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