Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 7 Exponential and Logarithmic Functions - 7.2 Graph Exponential Decay Functions - 7.2 Exercises - Mixed Review - Page 491: 41


The answer is below.

Work Step by Step

This is a square root function, so only positive x inputs inside the square root are valid. Thus, the domain is all numbers greater than 4. We see that the lowest value of y for the function is 0, so the range is all real numbers greater than 0.
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