Answer:
The domain of the inverse is [-3, ∞).
The range of the inverse is [6, ∞).
Explanation:
 is the inverse of the function. The inverse of the function is the values of x and y switched. This means the domain and range switch to. The domain becomes the range and the range becomes the domain.
 is the inverse of the function. The inverse of the function is the values of x and y switched. This means the domain and range switch to. The domain becomes the range and the range becomes the domain.
The domain of the inverse is [-3, ∞).
The range of the inverse is [6, ∞).