Which of the following graphs is not a function? a. On a coordinate plane, points are at (negative 3, 5), (negative 2, 4), (negative 1, 3), (0, 2), (1, 3), (2, 4). c. On a coordinate plane, points are at (negative 3, negative 1), (negative 2, 0), (negative 1, 1), (0, 2), (1, 3), (2, 4). b. On a coordinate plane, points are at (negative 3, 3), (negative 2, 3), (negative 1, 3), (0, 3), (1, 3), (2, 3). d. On a coordinate plane, points are at (2, negative 1), (2, 0), (2, 1), (2, 2), (2, 3), (2, 4). Please select the best answer from the choices provided A B C D