The following function represents the production cost f(x), in dollars, for x number of units produced by company 1: f(x) = 0.15x2 − 6x + 400 The following table represents the production cost g(x), in dollars, for x number of units produced by company 2: x g(x) 50 75 60 60 70 55 80 60 90 75 Based on the given information, determine which company has a lower minimum and find the minimum value. g(x) at (70, 55) f(x) at (20, 340) f(x) at (70, 55) g(x) at (20, 340)