<span>The 53 bicycles are the bicycle brand of playing cards. Since we all know that a deck contains 52 cards, he must have been cheating and he put another card in the deck. His buddy caught him and killed him</span>
A quadratic function models the profit of the company and the maximum/minimum value of the quadratic function occurs on its vertex.
The given function is:

The equation is already in standard form, the vertex of the parabola as seen from the equation is (5,12)
This mean if the company sets the price of socks to $5 they will earn a maximum profit which is $ 12 million
If my calculations are correct the answer is cut your answer in half