Question

BwchlJDWCA  DACXAACCCCC

Answer 1

Axist of symmetry: x= -0.5
Vertex: (-0.5, -0.5)
The formula for the function:


`f(x)=-2(x+0.5)^2-0.5=-2(x^2+x+0.25)-0.5\\\\=-2x^2-2x-0.5-0.5=-2x^2-2x-1`

Answer: D.