BEST ANSWER BRAINLIEST 147a) Identify the center, the vertices, and the foci of the ellipses:

4x^2+y^2−16x−6y+21=0

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?