The functions f(x) = −(x + 1)2 + 4 and g(x) = (x - 2)2 − 8 have been rewritten using the completing-the-square method.

A. Apply your knowledge of functions in vertex form to determine the vertex of each function. (4 points)

B. State if the vertex for each function is a minimum or a maximum and explain your reasoning. (6 points)