NO LINKS I will give brainliest, it’s a graph pls answer if you know how. Where are the smart people

Answer:
The answer for (a) is at the picture
(b) The vertex is (-2,7)
(c) Yes the parabola open downward
(d) -(x+2)^2+7 the turning point is at (-2,7) since it is where the group curves
Step-by-step explanation: