2y 10 2 July 8, 2019 16 32 64 128 2y 10 22 2y 10 20 2y 10 2x 2y 10 2 y 5 2y 10 24 2y 10 28 2y 10 26 10 2y (- 2 y 2 2y 10 )= 20 X 2y 10 2x y 5 X 2y 10 2x 4y 5 4x 2y 10 2x y 5 X 2y 10 2 2y 10 2y 2x 2y 10 graph