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D Question 11 1 pts Let 4$2 92y + 23,2 313 + 133; + 21 = o. d Use partial derivatives to calculate y at the point (3, 2). d2: Answer exactly or round to 3 decimal places. D Question 12 1 pts Suppose that f(a;, y) = my. Find the directional derivative of t, y) at the point (9:, y) = (3, 4) in the direction of ( 1, 1). Answer exactly or round to 2 decimal places. 0 -0.23 O 0.47 O -0.71 O 0.93 D Question 13 1 pts Let f(a:, y) = m2 + 2y4 + 89:31. Find the critical points. Answer as a list of ordered pairs (m, y) with coordinates in exact form. Then, classify each crlcal point as a local minimum, local maximum, or saddle point. Show me your work. 12pt V Paragraph V B I 9