Preference

Question:

Which of the following describes all values of x for which 1 - x2 ≥ 0?

  1. a.

    x ≥ 1

  2. b.

    x ≤ - 1

  3. c.

    0 ≤ x ≤ 1

  4. d.

    x ≤ - 1 or x ≥ 1

  5. e.

    - 1 ≤ x ≤ 1

Answer: c
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