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 417: 86


$\text{the domain is the interval } [0,\infty) $

Work Step by Step

The radicand of the given function, $ f(x)=\sqrt{x}-2 ,$ should be a nonnegative number. That is, \begin{array}{l}\require{cancel} x\ge0 .\end{array} Hence, $ \text{the domain is the interval } [0,\infty) .$ Using the table of values below, the graph is determined.
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