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Q: Let f = zy + yx, v = [y, z, 4z - x], w Find - [vª, zª, x®]. (a) grad f and f grad f at (3, 4, 0) (b)…

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Q: A duck's flight is given by the following expression: y = x^2 + x + 4. X and y are coordinates of…

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Q: Q/ Find the equation of the tangent to the test subject y = Vsin 4x, %3D and passes through the…

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Q: xy Find all second order derivatives for r(x,y)= 4x +9y

A: The given function is

Q: How can you use directional derivatives to estimate change?

A: Let f be a differentiable function. The directional derivative of f in a particular direction at a…

Q: Evaluate lim Δ→0 cos(6x + Δx) - cos(6x) Δε

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Q: curve y= sqrt(x+2) and the lines y=0 and x=7

A: Given: The equation for the curve is y=x+2 The sketch of the graph is :

Q: (e) The instructor adds 4 points to the average exam score ofeveryone in the class. Describe the…

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Q: Find the coordinates of the point/s on the curve y = 2x2 which are closest to the point ( 9, 0 ).

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Q: f (x, y, z) = arctan(x² + 2y + z) At the point A(0,1,0) along the direction ñ, where n is the…

A: Given that f(x,y,z)=arctan(x2+2y+z)  For a function of three variables f(x,y,z), the directional…

Q: Find the directional derivative of f(x, y, z) = −4x² + 1y² — 32² at the point (-3, 5, -5) in the…

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Q: Find the maximum rate of change of f(p, q, r) = arctan(pqr) at the point (2, 6, 2).

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Q: find the derivative of the question in the picture please show all work

A: Obtain the derivative of the function.

Q: A deli sells 720 sandwiches per day at a price of $6 each. (A) A market survey shows that for every…

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Q: f (x) = x2* (1– x) — х)

A: Given that