Ther following system of inequalities shows the feasible values that will make a profit for a manufacturing company Graph the system and find the vertices corners of the darkest shaded area where the lines intersa the region f x 2x 7 f x 3 f x 20 X20 0 3 2 3 0 0 3 5 0 0 3 3 2 0 0 0 7 None of these choices are correct 0 3 2 3 0 0 7 0 O 7 4 2 3 0 0 7 0