Question: (1 point) Suppose that z is a linear function of x and y with slope 1 in the x direction and slope -4 in the


(1 point) Suppose that z is a linear function of x and y with slope 1 in the x direction and slope -4 in the y direction. (a) A change of 0.4 in x and 0.4 in y produces what change in 2? change in z = (b)le = 8 when x = 6 and y = 2, what is the value of 2 when x = 6.2 and y = 2.2? z =
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