The pilot of a Boeing 777 jet takes off from Boston's Logan Airport, which is at sea level, and climbs to a cruising altitude of 30,400 ft at a constant rate of 1140 ft/min. (a) Write a linear function for the height of the plane y in terms of the time after takeoff x.     , 0 ≤ x ≤ 26 2/3 (b) Use your function to find the height of the plane 19 min after takeoff.ft

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