Suppose that the height of a hill above sea level is given by S(xXy.z) = 1+x*+y*+z*...

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Suppose that the height of a hill above sea level is given by S(xXy.z) = 1+x*+y*+z"* xyz ,where x, y and z are in meters. A climber is standing at (1,2, 3). a. In what direction climber should walk to reduce his height from sea level. b. Find the derivative if climber moves toward (1.1,1) Suppose that the height of a hill above sea level is given by S(xXy.z) = 1+x*+y*+z"* xyz ,where x, y and z are in meters. A climber is standing at (1,2, 3). a. In what direction climber should walk to reduce his height from sea level. b. Find the derivative if climber moves toward (1.1,1)