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

Question

Mathematics

Saniya

5 May, 16:54

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

+2

Answers (1)

Know the Answer?

Leonard Yang · Answer 1

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

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

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