Answer
An exponential decay function.
Work Step by Step
For $x$.
$-1+1=0$
$0+1=1$
$1+1=2$
For $y$.
$\frac{50}{5}=10$
$\frac{10}{5}=2$
$\frac{2}{5}=0.4$
As $x$ increases by $1,$ $y$ is divided by $5$.
So, the function is an exponential decay.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 6 - Exponential Functions and Sequences - 6.4 - Exponential Growth and Decay - Exercises - Page 320: 33
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