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.

A- (12, 16); The vertex represents the maximum profit.

B- (12, 16); The vertex represents the minimum profit.

C- (14, 4); The vertex represents the maximum profit.

D- (14, 4); The vertex represents the minimum profit.