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English 18 Online
OpenStudy (anonymous):

Travis is riding the Ferris wheel at the amusement park. His height can be modeled by the equation H(t) = 22 cos(pi over 13)t + 28, where H represents the height of the person above the ground in feet at t seconds. Part 1: How far above the ground is Travis before the ride begins? Part 2: How long does the Ferris wheel take to make one complete revolution? Part 3: Assuming Travis begins the ride at the top, how far from the ground is the edge of the Ferris wheel, when Travis' height above the ground reaches a minimum?

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