Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 1 - Limits and Their Properties - Review Exercises: 59

Answer

$f(x)$ is continuous over the interval $[4, \infty).$

Work Step by Step

The only restriction on $f(x)$ is that the radicand has to be positive $\to x-4\ge0\to x\ge4\to f(x)$ is continuous over the interval $[4, \infty).$
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