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 - 7-6 Exponential Functions - Practice and Problem-Solving Exercises - Page 457: 35


The y-values increase as the x-values increase.

Work Step by Step

You are given $f(x)=$ $2.5^{x}$.Plug in the values $-2,-1,0,1,2,3$ for the X-variable: $f(-2)=$ $8^{-2}={\dfrac{1}{64}}$ $f(-1)=$ $8^{-1}={\dfrac{1}{8}}$ $f(0)=$ $8^{0}=1$ $f(1)=$ $8^{1}=8$ $f(2)=$ $8^{2}=64$ $f(3)=$ $8^{3}=512$
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