Question: Question 2. Consider the function [30 marks] f(r, y) = x2 - cos y 1. Find its gradient at an arbitrary point (x, y). [10

Question 2. Consider the function [30 marks] f(r, y) = x2 - cos y 1. Find its gradient at an arbitrary point (x, y). [10 marks] 2. In which direction does the function change most rapidly at the point (0, 7)? [10 marks] 3. Find the directional derivative at the point (0, 7) in the direction of the vector (1,1). [10 marks]

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