Please help answer both questions, I have less than 2 hrs before the assignment is locked

20. [-/1 Points] DETAILS SCALCCC4 11.6.004.MI. Find the directional derivative of fat the given point in the direction indicated by the angle 0. F(x, y) = x3y2 - yz, ( 2, 2), 0 = 1/4 Duf Submit Answer 21. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCCC4 11.6.005. M Find the directional derivative of f at the given point in the direction indicated by the angle 0. f(x, y) = 3ye-x, (0, 1), 0 = 47/3 3V3 D f = 2 X