Answer
430
Work Step by Step
Given:
$P=230+20x-0.5x^2$
-b/2a = -(20)/2(-0.5)= 20
Finding the vertex or maximum:
$P=230+20(20)-0.5(20)^2$
=430
Plug 20 back into the equation to check the final answer.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 3 - 3.1 - Quadratic Functions and Models - 3.1 Exercises - Page 249: 70
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.
