Answer
See below.
Work Step by Step
As we learnt in this chapter, the number of turning points of a graph is the degree of the polynomial minus $1$.
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 3.2 - Page 363: 85
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