Answer
An exponential growth.
Work Step by Step
For $x$.
$5+5=10$
$10+5=15$
$15+5=20$
For $y$.
$2\times 4=8$
$8\times 4=32$
$32\times 4=128$
As $x$ increases by $5$ and $y$ multiplied by $4$.
So, the function is an exponential growth.
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: 37
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