Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

Chapter 1 - Section 1.1 - Four Ways to Represent a Function - 1.1 Exercises - Page 21: 53


$y=1-\sqrt {-x}$

Work Step by Step

We start with $x + (y-1)^2=0$. Subtract both sides by $x$. $(y-1)^2=-x$ Take the negative square root of both sides, because we need to get the bottom half of the parabola. $y-1=-\sqrt {-x}$. Add 1 to both sides. $y=1-\sqrt {-x}$.
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