Question

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

f(x)= 2/x and g(x)= 2/x

Answer 1

Please please please help me!

Answer 2

\[
g(f(x))=\frac {2}{f(x)}= \frac {2}{\frac 2 x}= 2 \frac {x}{2}=x\\
f(g(x))=\frac {2}{g(x)}= \frac {2}{\frac 2 x}= 2 \frac {x}{2}=x
\]

Answer 3

You're my savior :) Thanks!