Answer
See graph
Work Step by Step
Sketching a graph of |y| = 1
We see that for all values of $x, y =$ ±$1.$
Credit to Desmos.com for graphing $|y| = 1$.
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Appendix B - Coordinate Geometry and Lines - B Exercises - Page A15: 20
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