Y =- 7 x 4 2 5 July 8, 2019 16 32 64 128 Y 5 7 x 1 3 2 4 9 If x =- 4 7 and y 2 5 then verify that Vertex of y 7 x 5 2 4 7 4 y 3 2 x 2 5 -0 7 × y = -0 42 Y/4 = 7
