Help lol i dont get it

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

What’s the domain of this function? fast

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x