3. 0/1 points | Previous Answers LarCalc9 13.6.004. My Notes Find the directional derivative of the function at P in the direction of v. Submit Answer Save Progress 4. -11 points LarCalc9 13.6.011 My Notes Find the directional derivative of the function at P in the direction of v h(x, y, z) xyz, P(1, 5, 5) v