Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.7 - Quadratic Equations and Problem Solving - Exercise Set - Page 468: 49

Answer

Glacier National Park had some increases in attendance. Gettysburg had a constant decline until 2007, when the decrease increased.

Work Step by Step

One thought is that Glacier National Park had remained somewhat popular and Gettysburg didn't remain popular. Another thought was that Gettysburg might have suffered some weather damage (in 2008 and/or 2009).
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