∫ The line segment cut on the X axis is 6.
∴|c|=6
The distance from the vertex to the x axis is 6.
∴|a|=6
The symmetry axis is x = 2.
∴b=-2
∴f(x)= 6x？ -2x 6
That is f (x 1) = 6x? -2x+6，f(x2)=-6x？ -2x-6
1. Introduction of tonghua normal University Hailong Campus
School profile tonghua normal University Hailong Branch, formerly known as Hailong Nor