Maximize f(x, y) = 18 - x2 - y2, x + y - 2 = 0.

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Q: # 13) Find two positive numbers x and y for which 2x +y = 30 such that xy² is maximized.

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Q: Examine for minimum and maximum values of f(x,y,z)=2xyz-4xz-2yz+x^2+y^2+z^2-2x-4y+4z

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Q: linearize the nonlinear equation in the region defined by 4 < x < 5, 3 < y < 4 z = y?Vx + 5e(3x-y²)

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Q: x² – y² = = CX

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Q: Classify all critical points for f (r, y) = 2x2 – y3 – 2ry.

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Q: Find the critical point of the function f(r, y) = – 4+ 8z + 7z - 5y + 6y

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Q: 12. Differentiate the function (use chain rule): y = 2x2 Vx+1'

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Q: I Sdve for dydx using the four-step rule 2. Y = x- x 2.

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