Answer:
Second option {x | x > 7}
Step-by-step explanation:
We have the function
We know that the square root of a negative number has no solution in the real ones. Therefore the domain of this function is
When applying the transformation:
we have a translation of the original function in 7 units to the right and 2 units to the top:
In the same way we must guarantee that
Then .
Therefore the domain of f(x) is {x | x > 7}