Answer
Option B
Work Step by Step
A narrower graph will have the $a$ value in $y=ax^2+b$ greater than $4$ or less than $-4$. Hence, the only option that could be correct is $B=-5x^2+4$.
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 9 - Quadratic Functions and Equations - 9-1 Quadratic Graphs and Their Properties - Practice and Problem-Solving Exercises - Page 552: 50
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