Find the vertex of the graph of the quadratic function and determine whether it's an absolute maximum or an absolute minimum: y = x2 + 18x + 83.
Question 13 options:

A)

Vertex: (9,–2); maximum

B)

Vertex: (–9,2); minimum

C)

Vertex: (9,– 2); minimum

D)

Vertex: (–9,2); maximum