Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Review Exercises - Page 430: 46

Answer

$-5697$

Work Step by Step

When a polynomial $ f(x)$ is divided by $(x-a)$, then the remainder is $ r=f(a)$ We see that $ f(-13)$ is the remainder when $ f(x)= 2x^3-7x^2+9x-3$ is divided by $(x+13)$. So, $(x+13) ]\times 2x^2-33x^2+9x-3$ or, $(x+13)(2x^2-33x)+438 x-3$ or, $(x+13)(2x^2-33x+438)-5697$ Thus, $ f(-13)=-5697$
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