Find the absolute maxima and minima of the function on the given domain. f(x, y) = 2×2 + 6y2  on the disk bounded by the circle x2 + y2 = 9 

Find the linear approximation of the function at the given point.  

Find values of x and y such that both fx(x, y) = 0 and fy(x, y) = 0.f(x,y) = x3 + y3 – 9xy x = [xvalue] y = [yvalue]

Solve the problem.Find the derivative of the function at the point (-4, 4, -4) in the direction in which the function increases most rapidly.

Find the linearization of the function at the given point.

Find  by using the Chain Rule. Express your final answer in terms of t.

Use implicit differentiation to find the specified derivative at the given point.Find

Find all the first order partial derivatives for the following function.f(x ,y, z) = (sin xy)(cos yz2)

Solve the problem.Evaluate  at t = 3π for the function w(x, y) = x2 – y2 – 9x; x = cost, y = sin t.

Solve the problem.Find the derivative of the function at the point (9, -9, 9) in the direction in which the function increases most rapidly.