The domain of the function is x ≥ -6 or x ∈ [-6, ∞] option second
x ≥ -6 is correct.
What is a function?
It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
We have a function:
f(x) = √(x+6) - 7
As we know the quantity in the square root must be greater than zero.
x + 6 is in the square root it must be greater than zero.
x + 6 ≥ 0
x ≥ -6
Thus, the domain of the function is x ≥ -6 or x ∈ [-6, ∞] option second
x ≥ -6 is correct.
Learn more about the function here:
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