Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.4 Write Equations of Lines - 2.4 Exercises - Problem Solving - Page 104: 55


See below.

Work Step by Step

The average yearly increase was $\frac{38.23-21.62}{2004-1994}=\frac{16.61}{10}=1.661$. Thus the equation (if the years passed since 1994 is $x$) is: cost$=21.62+1.661x$. Hence at 2010, $x=16$, thus: cost$=21.62+1.661\cdot16=48.196$.
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.