3 mi

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section0.7: Perimeter
Problem 5E
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Lighthouse The beam from a lighthouse completes one rotation every 2 min. At time t, the distance d shown in the figure below is 

d(t) = 3 tan πt

where t is measured in minutes and d in miles.

(a) Find d(0.15), d(0.25), and d(0.45).

(b) Sketch a graph of the function d for 0 ≤ t < 1/2.

(c) What happens to the distance d as t approaches 1/2 ?

3 mi
Transcribed Image Text:3 mi
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