Answer
The minimum $y$ value: $3$
Work Step by Step
Use the axis of symmetry formula:
$x=-\frac{b}{2a}=-\frac{24}{2.4}=-3$
Substitute for x in $f(x)$
$f(-3)=4(-3)^2+24(-3)+39=3$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 4 Quadratic Functions and Factoring - Standardized Test Practice - Gridded Answer - Page 327: 16
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.
