Answer
The function is nonlinear.
Work Step by Step
As $x$ increases by $1$, $y$ decreases by different amounts.
The rate of change is not constant.
So, the function is nonlinear.
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 4 - Writing Linear Functions - 4.5 - Analyzing Lines of Fit - Exercises - Page 208: 32
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