Question

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f of x equals two divided by x and g of x equals two divided by x.

Answer 1

F (g (x))= 2/(2/x)
=2×(x/2)
=x

g (f (x))=2/(2/x)
=2 (x/2)
=x
f and g are inverses functions