#### Answer

$y=\sqrt {4-x^2}+2$

#### Work Step by Step

We start with $x^2+(y-2)^2=4$.
Subtract $x^2$ from both sides.
$(y-2)^2=4-x^2$
Take the square root of both sides.
$y-2=\sqrt {4-x^2}$
Add 2 to both sides.
$y=\sqrt {4-x^2} + 2$

Published by
Cengage Learning

ISBN 10:
1285741552

ISBN 13:
978-1-28574-155-0

$y=\sqrt {4-x^2}+2$

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.