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babybats

  • 3 years ago

Use interval notation to represent the set of numbers: 1 ≤ x < 20 or x > 30 a. [1, 20) or (-∞, 30) b. [1, 20) or (20, 30) c. [1, 20) or (30, ∞) d. [1, 30)

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  1. fernando2
    • 3 years ago
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    IS C

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