College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Summary, Review, and Test - Review Exercises - Page 90: 23

Answer

U.S diversity index(D) in 2010 (30 years after 1980)= 55 Both the bar graph and formula give the same results

Work Step by Step

U.S diversity index(D) $x$ years after 1980 = 0.005$x^{2}$ + 0.55$x$ + 34 U.S diversity index(D) in 2010 (30 years after 1980) = 0.005$\times30^{2}$ + 0.55$\times30$ + 34 = 0.05$\times$900 + 0.55$\times30$ + 34 = 4.5 + 16.5 +34 = 55 Both the bar graph and formula give the same results
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.