Answer
a and |a|<1
Work Step by Step
The value of "a" affects the opening of the parabola, and the values of "a" should be |a|<1 so that the graph is wider than $f(x)= x^{2}$.
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 4 - Quadratic Functions - 4.2 Graphing Quadratics in Vertex Form - 4.2 Exercises - Page 316: 4
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