Question

F(x)=2/x and g(x)=2/x what is f(g(x))

Answer 1

f(g(x)=x

Explanation:

Put g(x)=2/x in the place of "x" in f(x)

f(2/x)=2/(2/x)

Cancel 2 with 2 and remaining is 1/(1/x) which is "x"

f(g(x)=x