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27 July, 08:39

If the domain of the square root function f (x) is x57, which statement must be true?

7 is subtracted from the x-term inside the radical,

The radical is multiplied by a negative number,

7 is added to the radical term,

The x-term inside the radical has a negative coefficient

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  1. 27 July, 08:57
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    Answer: If f (x) = √x, as the question statement seems to say, then the domain is not x<7. Rather, the domain is x≥0.

    If f (x) is not the square root function, but say f (x) = √ (7-x) then the domain is x≤7, and for this function then the
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