The quadratic function y = -10x2 + 160x - 430 models a store's daily profit (y), in dollars, for selling T-shirts priced at x dollars.
A the daily profit the company would make from the T-shirts if it gave the T-shirts away for free
B the greatest daily profit the company could make from selling the T-shirts
C a selling price that would result in the company making no profit from the T-shirts
D the selling price that would result in the company making the greatest daily profit from the T-shirts
Match each item with what it represents in this situation by entering the appropriate letter in each box.
1 x-coordinate of the vertex of the function
2 y-coordinate of the vertex of the function
3 an x-intercept of the function
4 a y-intercept of the function