Question

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x))= x. f(x)= 4/x and g(x)= 4/x

Answer 1

f(x) = 4/x
g(x) = 4/x
-------------
f(g(x)) = f(4/x) = 4/(4/x) = x
g(f(x)) = g(4/x) = 4/(4/x) = x

Answer 2

THANKS