T(x, y, z) 1000e -x²–2y? –22 where T is measured in °C and x, y, and z in meters. 1. Find the rate of change of the temperature at the point P(2, -2, 2) in the direction toward the point Q(3, –4, 3). Answer: D f(2, –2, 2) = PQ 2. In what direction does the temperature increase fastest at P? Answer: 3. Find the maximum rate of increase at P. Answer:

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