Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 1 - Functions and Their Graphs - Chapter Review - Review Exercises - Page 114: 33

Answer

See graph. intercept(s) $(1,0)$. domain $[1,\infty)$, range $[0,\infty)$.

Work Step by Step

Step 1. To obtain the graph of $y=\sqrt {x-1}$ from $y=\sqrt x$, shift the curve 1 unit to the right. See graph. Step 2. We can identify the intercept(s) $(1,0)$. Step 3. We can find the domain $[1,\infty)$, range $[0,\infty)$.
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