Answer
(a) $4$
(b) $2$
Work Step by Step
(a) Given $f(x)=x^5-9x^2$, we have $n=5$ and the maximum number of turning points is $n-1=4$
(b) Given $f(x)=4x^3-6x^2+2$, we have $n=3$ and the maximum number of turning points is $n-1=2$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 3 - Polynomial and Rational Functions - Chapter 3 Test Prep - Review Exercises - Page 399: 50
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