Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.7 Graphing Techniques - 2.7 Exercises - Page 272: 12

Answer

(a) to E. (b) to C. (c) to D. (d) to A. (e) to B.

Work Step by Step

(a) to E because $4\cdot f(x)$ means vertical stretching by a factor of 4. (b) to C because $-f(x)$ means a reflection across the x-axis. (c) to D because $f(-x)$ means a reflection across the y-axis. (d) to A because $x-4$ means shift the curve to the right 4 units. (e) to B because $f(x)-4$ means shift the curve down 4 units.
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