Which pair of functions are inverses of each other?
A. f(x)= ³ √4x and g(x) = (x/4) ³
B. f(x) = 13x-7 and g(x) = +7
c. f(x)= x/3+10 and g(x)=3x-10
D. f(x)=-5 and g(x) = +5