Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Section 7.1 - Radicals and Radical Functions - Exercise Set - Page 418: 120


the details below verify the answers in item $86$

Work Step by Step

Using a graphing calculator, the graph of the function, $ f(x)=\sqrt{x}-2 ,$ is shown below. The domain of a function and its graph is the set of $x$-values that the graph uses. Based on the graph below, the domain is the interval $ [0,\infty) .$ The graph below and the domain above verify the answers in item $ 86.$
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