isabellavanfleet
isabellavanfleet isabellavanfleet
  • 15-04-2020
  • Mathematics
contestada

Please help me ASAP!!!

Please help me ASAP class=

Respuesta :

guneetrandhawa2 guneetrandhawa2
  • 15-04-2020

Answer:

The first one: -(x + 2) ^2 +4

Step-by-step explanation:

Used desmos.com, which is an online graphing website.

Answer Link
DeanR
DeanR DeanR
  • 15-04-2020

It's a parabola with zeros at x=-4 and x=0 and we know f(-2)=4 is the vertex.

The concave downward orientation means it has a minus sign on the quadratic term.

Vertex form suggests

f(x) = -(x + 2)² + 4

We check f(0)=-4+2=0 and f(-4)=-(-4 + 2)² + 4 = -4 + 4 = 0, good

Answer: first choice

Answer Link

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