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answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong