saturntech saturntech 07-02-2018 Mathematics contestada For which pairs of functions is (f*g)(x)=x? A. f(x)=x^2 and g(x)=1/x B. f(x)=2/x and g(x)=2/x C. f(x)=x-2/3 and g(x)=2-3x D. f(X)=1/2x-2 and g(x)=1/2x+2