Algebra 2 (1st Edition)

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

Chapter 2 Linear Equations and Functions - 2.1 Represent Relations and Functions - 2.1 Exercises - Problem Solving - Page 78: 47b


4 ft 11 in

Work Step by Step

By plugging in $l=15.5$ into the function we can get the height: $f(15.5)=1.95\cdot15.5+28.7=58.925$, thus she is approximately 59 inches tall, which is 4 ft 11 in.
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