F x )= 3x 2 6x 8 July 8, 2019 16 32 64 128 F x )= x 3 3x 2 6x 8 F x )= 3x 4 8x 3 6x 2 Find the vertex of f x )= 3x 2 6x 8 What is the range of the function f x )= 3x 2 6x 8 What is the first step in writing f x )= 3x 2 6x 8 関数 f x )= x 3 6x 2 3x 8