Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.9 - The Coordinate Plane; Graphs of Equations; Circles - 1.9 Exercises - Page 104: 112

Answer

See the image below.

Work Step by Step

For a rough sketching, we can simply draw the similar figure we have on the upper half of $x$-axis to the lower half. (See the image above) For a more precise sketching, we can take negative values of $y$ and find several points on the lower side of $x$-axis. Plot these points and connect them according to the form we have on the right hand side.
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