3. Ana is riding in Ferris wheel. Suppose the lowest point of a ferris wheel is 2 meters off the ground, and its radius is 15 m. It makes one complete revolution every 30 seconds. a. Starting at the lowest point, find a cosine function that gives the height above the ground of a riding child in terms of the time t in seconds. b. After riding for 45 seconds, find the height of Ana above the ground

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter2: Graphical And Tabular Analysis
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3. Ana is riding in Ferris wheel. Suppose the lowest point of a ferris wheel is
2 meters off the ground, and its radius is 15 m. It makes one complete
revolution every 30 seconds.
a. Starting at the lowest point, find a cosine function that gives the
height above the ground of a riding child in terms of the time t in
seconds.
b. After riding for 45 seconds, find the height of Ana above the ground
Transcribed Image Text:3. Ana is riding in Ferris wheel. Suppose the lowest point of a ferris wheel is 2 meters off the ground, and its radius is 15 m. It makes one complete revolution every 30 seconds. a. Starting at the lowest point, find a cosine function that gives the height above the ground of a riding child in terms of the time t in seconds. b. After riding for 45 seconds, find the height of Ana above the ground
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