Determine the quadratic function with a vertex as a minimum point located at (3,4). y = - 4(x - 4)² -3
y = - (x -3)² + 4
y - 1/2(x +4)² - 3
y = 3 (x - 3)² + 4

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?