The function f(x) = x2 + 28x 192 models the hourly profit, in dollars, a shop makes for selling sodas, where x is the number of sodas sold. Determine the vertex, and explain what it means in the context of the problem. (1 point) (12, 16); The vertex represents the maximum profit. (12, 16); The vertex represents the minimum profit. (14, 4); The vertex represents the maximum profit. (14, 4); The vertex represents the minimum profit