result on a score of 0 for this exam. Each problem is worth 15 points, unless otherwise specified. Max allowable score is 105/100. 1. Find the maximum rate of change of f (x, y) = exy at the point (0, -5) and the direction which this maximum occurs. 2. Find the location of each local extremum and/or saddle point of the function given below: f(x, y) = x3 + y3 - 48x - 75y - 2. Express your answer(s) as ordered triples