Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Appendix A - Section A.1 - Introduction to Functions - A.1 Problem Set - Page 486: 18

Answer

this graph is a function

Work Step by Step

on this graph you can draw a vertical line anywhere and it will only intersect the graph on one point, meaning that no two coordinate pairs have the same x values
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