#### Answer

$f(x) = 2x$ is a function that is one-to-one and positive for $x \geq 0$.
$f(x) = x/2$ is its inverse.

#### Work Step by Step

To find the inverse of a function switch $x$ with $y$ and solve.
$f(x) = 2x$
$x = 2f(x)$
$x/2 = f(x)$
$f(x) = x/2$

Published by
Pearson

ISBN 10:
0321947347

ISBN 13:
978-0-32194-734-5

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.