500
Using the system of inequalities x≥-2, x + y≤7, and y≥2x + 1, find the coordinates of the of the vertices of the feasible region and find the maximum and minimum values of the function f(x, y) = 3x - y for the feasible region
(-2, 3)(2, 5)(-2, 9)
max = 1
min = -15