Answer
See answer below
Work Step by Step
Given: $y=0.4^x$
$\rightarrow b=0.4$
This is an exponential decay function in the form: $y=ab^x$
The graph of $y=0.4^x$ will be an exponential decay function as $0\lt 0.4\lt1 $.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - 11-7 Graphing Rational Functions - Practice and Problem-Solving Exercises - Page 711: 36
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