For each pair of functions f and g below, find f(g(x)) and g

For each pair of functions f and g below, find f(g(x)) and g(f(x)).  Then, determine whether f and g are inverse of each other.Simplify answers as much possible.  Assume that your expressions are defined for all x in the domain of the composition.a)   f(x)= x-1/2,   g(x)=2x-1,    f(g(x))= ,   g(f(x))=b)  f(x)=-3/x, x≠0,  g(x)=3/x,x≠0,  f(g(x)),  g(f(x))


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