F x )= 4x 2 8x 11 July 8, 2019 16 32 64 128 F x )= 8x 2 4x 11 in vertex form Given f x )=- 4x 2 8x 11 find f (- 3 Let f x )= 4x 3 11x 2 8x 5 F(x) = 4x ^ 2 + 8x