F x )= 4x 2 8x 4 July 8, 2019 16 32 64 128 F x )= x 4 4x 3 8x 2 3 F x )= 4x 2 28x 49 Find the zero of $f x )= 4x 2 28x 49 If f x )= x 4 4x 3 4x 2 8x 44 Cho hàm số f x )=- 4x 4 8x 2 1 F(x) = 4x ^ 2 + 8x F(x) = 4x ^ 2 - 8x + 5
