isaacrhoda1189 isaacrhoda1189

23-05-2018
Mathematics

contestada

If f (x) =√
7 − x, then which of the following sets is the domain of this function?

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tramserran tramserran

23-05-2018

square root must be greater than or equal to zero.

7 - x ≥ 0
- x ≥ -7
x ≤ 7

(-∞, 7]

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