Answer
Yes.
Work Step by Step
We can use synthetic division or the remainder theorem. Since $f(3)=3^4+2(3)^3-21(3)^2+19(3)-3=0$, we know $x-3$ is a factor of the given function.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 8 - Applications of Trigonometric Functions - 8.1 Right Triangle Trigonometry; Applications - 8.1 Assess Your Understanding - Page 523: 84
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