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Previous Problem Problem List Next Problem (1 point) Consider the function f(x, y) = yVI - y - 4x + 15y. Find and classify all critical points of the function. If there are more blanks than critical points, leave the remaining entries blank. f1 = fy = fiz = fu = The critical point with the smallest x-coordinate is ) Classification: " (local minimum, local maximum, saddle point, cannot be determined) The critical point with the next smallest -coordinate is )Classification: (local minimum, local maximum, saddle point, cannot be determined) The critical point with the next smallest -coordinate is ) Classification: (local minimum, local maximum, saddle point, cannot be determined) Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times e B 7 9 F6 F7 Prtsch Home F9 End F 10 PgUP & 3 5 8 E R U O P D G H K L C V B N M Alt E