What is the range of the function?

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

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Find the distance between (7,-6) and (-3,-9)