Select the correct answer from the drop-down menu. A plane flying at a certain altitude is observed from two points that are 3 miles apart. The angles of elevation made by the two points are 55° and 72°, as seen in the diagram. The altitude of the plane to the nearest tenth of a mile is .

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.