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Find the critical points of the following function. Use the Second Derivative Test to determine (if possible) whether each critical point corresponds to a local maximum, a local minimum, or a saddle point. If the Second Derivative Test is inconclusive, determine the behavior of the function at the critical points. f(x,y) = 4+2x# +6y+ . . . Use the Second Derivative Test to find the local minima. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The test shows that the local minimum (minima) is (are) at (Type an ordered pair. Use a comma to separate answers as needed.) O B. The test does not reveal any local minima and there are no critical points for which the test is inconclusive, so there are no local minima. O C. The test does not reveal any local minima, but there is at least one critical point for which the test is inconclusive