Description

• An airplane is asked to stay within a holding pattern near Chicago’s O’Hare International Airport. The function d(x) = 67sin(0.65x) + 155 represents the distance, d, in miles, of the airplane from the airport at time x in minutes. A) When the plane enters the holding pattern, x = 0, how far is it from O’Hare? When the plane enters the holding pattern, the plane is 155 Correct miles. B) During the first 20 minutes after the plane enters the holding pattern, at what time is the plane exactly 223 miles from the airport? Round to the nearest thousandth. The time when the plane is exactly 223 miles from the airport are?

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