Answer
$A=-\frac{7}{2}$
Work Step by Step
We plug in $x=2$ to $f(x)$ to get
$f(2)=2\cdot2^3+A\cdot2^2+4\cdot2-5
\\5=2(8)+A(4)+8-5
\\5=16+4A+3
\\5=4A+19
\\5-19=4A
\\-14=4A
\\-\frac{14}{4}=\frac{4A}{4}
\\-\frac{7}{2}=A$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 1 - Graphs - 2.1 Functions - 2.1 Assess Your Understanding - Page 58: 93
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.
