2. y= -2x²-2
•vertex:
•opening of the point:
•vertex is a ______point:
•equation of the axis of symmetry:
•domain:
•range:

3.f(×)=x²-2x-3

•vertex:
•opening of the point:
•vertex is a _____point
•equation of the axis of symetry
•domain
•range​