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 $\ge$ 0

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