Intermediate Algebra (6th Edition)

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

Chapter 7 - Review - Page 468: 25b



Work Step by Step

We are given the function $f(x)=\sqrt x+3$. The index of the radical is even, so we know that $\sqrt x$ will only be a real number if x is not negative. Therefore, the domain of this function is all values of x such that $x\geq0$. This can be written as $[0,∞)$ in interval notation.
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