Answer
3
Work Step by Step
See Section 3-2 (page 356) on Turning Points of Polynomial Functions.
(If f is degree n, the graph has at most n-1 turning points)
The graph has two turning points, so its degree is at least 3.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 3 - Polynomial and Rational Functions - Exercise Set 3.4 - Page 389: 93
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