Answer
$f(-1)=3$
Work Step by Step
Substitute $-1$ to $x$ to obtain:
\begin{align*}
f(-1)&=2(-1)^2-(-1)\\
&=2(1)+1\\
&=2+1\\
&=3
\end{align*}
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 5 - Section 5.5 - The Real Zeros of a Polynomial Function - 5.5 Assess Your Understanding - Page 386: 1
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
