Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Chapter Review - Page 477: 68

Answer

y(-2)=2, y(0)=0.5, y(2)=0.125
1531251919

Work Step by Step

You have the function y=0.5(0.5$)^{x}$.Plug in the values x=-2,x=0,x=2 to find the y values. y=-2 y=0.5(0.5$)^{-2}$ y=0.5(4) y=2 y=0 y=0.5(0.5$)^{0}$ y=0.5(0) y=0.5 y=2 y=0.5(0.5$)^{2}$ y=0.5(0.25) y=0.125 So we have:y(-2)=2, y(0)=0.5, y(2)=0.125. Graph these and connect them to make a graph.
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