QUIZ 11 Math 1320-004 Friday, December 6 Name: by writing my name I swear by the honor code You have 10 minutes to complete this quiz. No notes, books or calculators are allowed. 1. ( points) What is the Hessian matrix for a function f(x, y)? 2. (4 points) Calculate the directional derivative of the function 2 point (2, —1) in the direction of the vector = f(x, y) = 3 y 2 x — 4y at the ctcf-b, 11.6 ) I C’ 3. ( points) Find the gradient of - f(x, y) = sin x + e° at the point (0, 1). L cec 1ro fI. 3 / -r \ fl2