If 4x 1 2 3 10 then x 1 July 8, 2019 16 32 64 128 If 4x2 = 16 then x = If f (x) 4x 2 then f (x 1) = If x ≠ − 1 2 then 6 x 3 + 3 x 2 − 8 x − 4 2 x + 1 =