1 < a b < 10, with b an integer such that 3 b ...

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−1 < a − b < 10, with b an integer such that −3 ≤ b ≤ 1. What most accurately describes the range of a2 ?

  1. −16 < a2 < 11
  2. −4 < a2 < 11
  3. 0 < a2 < 16
  4. 0 < a2 < 121
  5. 16 < a2 < 121
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