Answer
No.
Work Step by Step
Given $f(x)=\sqrt x(\sqrt x-1)=x-\sqrt x$, we can determine it is not a polynomial function because of the $\sqrt x=x^{1/2}$ term.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 4 - Polynomial and Rational Functions - 4.1 Polynomial Functions and Models - 4.1 Assess Your Understanding - Page 184: 24
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