Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 2 - Functions - 2.4 Preview of Transformations: Shifts - Exercises and Problems for Section 2.4 - Exercises and Problems - Page 95: 7

Answer

a) The new point is $(3,1)$. b) The new point is $(-2,-4)$. c) The new point is $(6,-6)$.

Work Step by Step

(a) The translation $f(x)+5$ moves the graph up 5 units. The $x$-coordinate is not changed, but the $y$-coordinate is $-4+5=1$. The new point is $(3,1)$. (b) The translation $f(x+5)$ shifts the graph to the left 5 units. The $y$-coordinate is not changed, but the $x$-coordinate is $3-5=-2$. The new point is $(-2,-4)$. (c) This translation shifts both the $x$ and $y$ coordinates, 3 units right and 2 units down, resulting in $(6,-6)$.
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