Answer
See graph, $y=x-8$
Work Step by Step
1. See graph for $(\sqrt t+4,\sqrt t-4)$ over $t\ge0$
2. From $x=\sqrt t+4$, we have $\sqrt t=x-4$, thus $y=\sqrt t-4=x-8$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 9 - Analytic Geometry - Section 9.7 Plane Curves and Parametric Equations - 9.7 Assess Your Understanding - Page 714: 12
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