What does the coordinate (3, -4) represent in a Cartesian coordinate system?
A) A point located 3 units to the right of the origin and 4 units above the origin
B) A point located 3 units to the left of the origin and 4 units below the origin
C) A point located 3 units to the right of the origin and 4 units below the origin
D) A point located 3 units to the left of the origin and 4 units above the origin