O 170% FE Width C POT to Word POP to Picture Play Slide Zoom Out Zoom In Actual Sue Fit sure Clockwise. Anincdotwin Rolare ax2 axdy L - U VIILU - V. akog [5 marks] Question 4 Let g (x, y) = xe', find the maximum value of the directional derivative at (-2, 0). [5 marks] the unit vector in the direction in which the maximum value occurs. [3 marks] Question 5 Suppose that D / (1,2) = -5 and D.f (1,2)=10, with 5u= 31 -4j and 5v =41+ 3j. Evaluate; f. (1.2) [2 marks]