Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.8 - Applications of Functions - Problem Set 11.8: 23

Answer

The answer is below.

Work Step by Step

A) The values in the table, in order from left to right (as the table is listed in the book) are: 10, 5, -20, 100, 35, 25, 15. (In order to obtain these values, plug in the value for t above them into the equation and then solve the equation for f(t). C) In order to do this, draw a horizontal line at f =20, and then estimate the value of t when the line intersects the line graphed in part b. The actual value is: $ f = 5/9(20-32) \\ f = -6.7$
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