Course Messages Forums Calendar Gradebook Home > 163 Calculus 3 Winter 2023 > Assessment Quiz 8 - No Help Score: 0/20 0/6 answered Question 3 Find an equation for the tangent plane to the surface 2 - xy = 0 at the point (1, 1, 1). Add Work Submit QuestionScore: . Question 2 Find the maximum rate of change of f(x, y, z) = tan(2x + 5y + 4z) at the point (-2, 2, -1). Add Work Submit QuestionQuestion 1 Find the directional derivative of the function f(x, y) = In (x2 + y?) at the point (3, 1) in the direction of the vector (-1, -3) Add Work Submit