Complete the following question on your own paper. Answers

Last updated: 8/13/2022

Complete the following question on your own paper. Answers without work will not receive credit. There is no need to type anything in the box on this question. Complete parts (a) and (b) with f(x, y) = x²y² + xy³. (a) Find Vf. (b) Find the directional derivative of f at the point (-2, 1) in the direction of u = (-2, 3). Leave your answer in exact form (do not give a rounded answer from a calculator).