Find the Domain and Range of the Inverse of the Given

Multiple Choice

Find the domain and range of the inverse of the given function.
- $$f ( x ) = 9 x + 9$$

A) Domain: $[ 9 , \infty )$ , range: $( - \infty , 9 ]$
B) Domain: $( - \infty , 9 ]$ ; range: all real numbers
C) Domain: all real numbers, range: $( - \infty , 9 ]$
D) Domain and range: all real numbers