Algebra 2 (1st Edition)

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

Chapter 5 Polynomials and Polynomial Functions - Chapter Review - Page 405: 38

Answer

See below

Work Step by Step

Graph the function. $R$ is greater than $7$ when $t=8$, which is the 8th year.
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