Answer
Exponential function.
Work Step by Step
For $x$.
$-1+1=0$
$0+1=1$
$1+1=2$
$2+1=3$
For $y$.
$0.25\times 4=1$
$1\times 4=4$
$4\times 4=16$
$16\times 4=64$
As $x$ increases by $1$ and $y$ multiplied by $4$.
So, the function is exponential.
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 - 6.3 - Exponential Functions - Exercises - Page 310: 13
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