Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

Chapter 1 - Section 1.3 - New Functions from Old Functions - 1.3 Exercises - Page 43: 26

Answer

$B(t) = 4.0+0.35~sin[\frac{2\pi}{5.4}~t]$

Work Step by Step

The average brightness is 4.0. The amplitude of the graph is 0.35. The period is 5.4 days. We can use these values to write a function that models the brightness: $B(t) = 4.0+0.35~sin[\frac{2\pi}{5.4}~t]$
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