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.
- $$f ( x ) = x ^ { 2 } - 9 ; x \geq 0$$

A) Domain: all real numbers; range: $[ 9 , \infty )$
B) Domain and range: all real numbers
C) Domain: all real numbers; range: $[ - 9 , \infty )$
D) Domain: $[ - 9 , \infty )$ ; range: $[ 0 , \infty )$