Question

Can someone please help me with the ones that are circled?

Answer 1

3.) f(x)=-2(x+1)^2+3

Domain: (- infinity, infinity)

Range:(-infinity,3]

Vertex: (-1,3)

Axis of symmetry: x=-1

Opens downward

4.) f(x)=9(x-2)^2-3

D:(-infinity, infinity)

R: [-3,infinity)

Vertex: (2,-3)

Axis: x=2

Opens upward

6.)

D:(-infinity, infinity)

R:(-infinity,0]

Vertex: (5,0)

Axis: x=5

Opens downward