Medicare Beneficiary Spending Out-of-pocket spending projections for a typical Medicare beneficiary as a share of his or
Question:
Medicare Beneficiary Spending Out-of-pocket spending projections for a typical Medicare beneficiary as a share of his or her income are given in the table. Let x = 0 represent 1990, so x = 8 represents 1998. Use a graphing calculator to do the following.
(a) Graph the data points.
(b) Find a quadratic function to model the data.
(c) Find a cubic function to model the data.
(d) Graph each function in the same viewing window as the data points.
(e) Compare the two functions. Which is a better fit for the data?
Year .................................Percent of Income
1998 ...........................................18.6
2000 ...........................................19.3
2005 ...........................................21.7
2010 ...........................................24.7
2015 ...........................................27.5
2020 ...........................................28.3
2025 ...........................................28.6
Step by Step Answer:
a b Find the quadratic regression f x 00109x 2 08693x 1185 c Find the cubic regr...View the full answer
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
