An airplane flies at an altitude of 5 miles toward a point directly over an observer. Consider 0 and x as shown in the figure below. 5 mi Not drawn to scale (a) Write 0 as a function of x. e(x) = (b) The speed of the plane is 332 miles per hour. Find do/dt when x = 8 and x = 3. (Round your answers to three decimal places.) when x = 8 rad/h de when x = 3 rad/h Need Help? Read It Master It