Question 4 Suppose that f(x, y) = x2 - xy + y' - 5x + 5y with - 5

question 4 Suppose that f@, y) = 2 5T + 53/ with 5 c, y 5. 1. The critical point of y) is at (a, b). Then a and b 2. Absolute minimum of y) is and the absolute maximum is Add Work Submit Question