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18 November, 11:45

If f (x) = √

7 - x, then which of the following sets is the domain of this function?

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Answers (1)
  1. 18 November, 12:50
    0
    Square root must be greater than or equal to zero.

    7 - x ≥ 0

    - x ≥ - 7

    x ≤ 7

    (-∞, 7]
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