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Calculus 3: Tangent planes and linear approximations

Find the linear approximation to this multivariable function at the point (2,3)(2, 3) using the tangent plane, and then use the linear approximation to estimate the value of the function at (2.1,2.99)(2.1, 2.99).

Find the equation of the tangent plane to the graph of the function f(x, y) = 2 - x^2 - y^2 at the point (12,12)\left(\frac{1}{2}, \frac{1}{2}\right).

Find the linearization L(x,y,z)L(x, y, z) of a function of three variables at the point (2, 1, 0).

Estimate the temperature of a pizza at the point (2.9,4.2)(2.9, 4.2) where the temperature function is given by f(x,y)=5x2x2+y2100f(x, y) = 5x^2 \sqrt{x^2 + y^2} - 100 using the tangent plane at a nearby point.

Find the equation for the tangent plane to the function Z=f(x,y)Z = f(x, y) at a given point (a,b)(a, b).

Find the equation for the tangent plane to the implicit function F(x,y,z)=0F(x, y, z) = 0 at a point (a,b,c)(a, b, c).

Using the linear approximation, approximate the value of the function at a given point near (a,b)(a, b).

Create the equation of a tangent plane to a given surface at a given point.

Make a tangent plane to a surface at a specified point by calculating the partial derivatives with respect to x and y and then substituting into the tangent plane equation, similar to the previously discussed method.

Find the equation of a tangent plane to the circular paraboloid z=x2+y2z = x^2 + y^2 at the point (-1, -1, 2).

Find the equation of the tangent plane to the function f(x,y)=36x2y2f(x, y) = \sqrt{36 - x^2 - y^2} at the point (2,4,4)(2, 4, 4).

Find a plane tangent to the ellipsoid x21+y225+z29=1\frac{x^2}{1} + \frac{y^2}{25} + \frac{z^2}{9} = 1 at the point (3/5,4,0)(-3/5, 4, 0).

Find the equation of the tangent plane to the surface z=4x2y2+2yz = 4x^2 - y^2 + 2y at (1,2,4)(-1, 2, 4).

Estimate the value of z=ln(x2y)z = \ln(x-2y) at the point (3.1, 0.9) using a tangent plane approximation.