1 . Which of the following describes all values of x for which 1 - x2 ≥ 0?
- A. x ≥ 1
- B. x ≤ - 1
- C. 0 ≤ x ≤ 1
- D. x ≤ - 1 or x ≥ 1
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1 . Which of the following describes all values of x for which 1 - x2 ≥ 0?
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