If 3 2x 2 x 1 then 4x July 8, 2019 16 32 64 128 If x 2 then y 1 2x 3 2x 2 4x 6 If f x )= 2x 2 3 then f x 1 )= 2x 2 4x 5 If 2 3 If 1 2 3