Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Test - Page 647: 16

Answer

See graph and explanations.

Work Step by Step

Step 1. Given the function $y=2tan\frac{x}{2}$, we can identify its period as $\frac{\pi}{1/2}=2\pi$ Step 2. To graph the function, start from $y=tan(x)$ (blue curve), stretch horizontally by a factor of 2 and then stretch vertically by a factor of 2 to get the red curve of $y=2tan\frac{x}{2}$.
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