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Subject: Calculus multivariable 9. Consider the function f(x, y) = tan(2x + 2y) and the point P(%6,%6). (a) Find the direction of maximum increase, maximum

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Subject: Calculus multivariable

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9. Consider the function f(x, y) = tan(2x + 2y) and the point P(%6,%6). (a) Find the direction of maximum increase, maximum decrease, and no change for f at P. (b) Sketch the level curve offthrough P in the xy-plane and then indicate the results obtained in (a) on the graph

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