Which pair of functions are inverses of each other?
A. f(x)= 7/x -9 and g(x)= (x+9)/7
B. f(x)=√[3](2x) and g(x)=( x/2 )³
C. f(x)= x/6 +8 and g(x)=6x-8
D. f(x)=5x-11 and g(x)= (x-11)/5