5. (15 pts) Find the directional derivative of the function f(x, y)e sin y at the point (0, 3) in the direction of the vector v -3i +4j 6. (20pts) Find the local maximum and
Show transcribed image text5. (15 pts) Find the directional derivative of the function f(x, y)e sin y at the point (0, 3) in the direction of the vector v -3i +4j 6. (20pts) Find the local maximum and