If z 2x 2 y 2 and (x, y) changes from (1, 3) to (0 95, 2 9), compare the values of z and dz (Round your answers to three decimal places ) dz z

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If z = 2x 2 + y 2 and (x, y) changes from (1, 3) to (0.95, 2.9), compare the values of z and dz.

If z = 2x² + y² and (x, y) changes from (1, 3) to (0.95, 2.9), compare the values of Δz and dz. (Round your answers to three decimal places.)

dz =

Δz =

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