Which statement is correct with respect to f(x) = -3|x − 1| + 12?
A.) The V-shaped graph opens upward, and its vertex lies at (-3, 1).
B.) The V-shaped graph opens downward, and its vertex lies at (-1, 3).
C.) The V-shaped graph opens upward, and its vertex lies at (1, -12).
D.) The V-shaped graph opens downward, and its vertex lies at (1, 12).