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OpenStudy (anonymous):
The first term in the sequence of numbers shown above is 3. Each even–numbered term is 2 more than the previous term and each odd–numbered term, after the first, is –1 times the previous term. For example, the second term is 3 + 2, and the third term is (–1) × 5. What is the 55th term of the sequence? (A)–5 (B) –3 (C) –1 (D) 3 (E) 5
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