Question
James is riding a ferris wheel, and his height in feet above the ground after t seconds of riding can be described by y=31-28cos(24t). a)
James is riding a ferris wheel, and his height in feet above the ground after t seconds of riding can be described by y=31-28cos(24t).
a) After 20 seconds of riding, Jamie is 45 feet above the ground. Is he ascending or descendingat the moment? How can you tell?
b)Being more than 19 feet above the ground causes Jamie great anxiety. For how much time during his four-minute ride is he in the anxious state?
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Global Business Today
Authors: Charles W. L. Hill Dr, G. Tomas M. Hult
10th edition
1259686698, 978-1259686696
