Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Section 2.2 - Graphs of Functions - Exercise Set - Page 125: 63



Work Step by Step

In the function $f(x)=x^{2},$ a horizontal line goes through two points for $x\gt0.$ If you have 'vertical line' instead of 'horizontal line', the same cannot be said for the statement. It is no longer a function if it does.
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