15 ft 14 ft -28 ft

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 17.1P
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Bridge Clearance A one-lane highway runs through a tunnelintheshapeofone-halfasinecurvecycle.Theopening is 28 feet wide at road level and is 15 feet tall at its highest point.

(a) Find an equation for the sine curve that fits the opening. Place the origin at the left end of the sine curve.

(b) If the road is 14 feet wide with 7-foot shoulders on each side, what is the height of the tunnel at the edge of the road?

15 ft
14 ft
-28 ft
Transcribed Image Text:15 ft 14 ft -28 ft
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