identify the mapping diagram that represents the relation and determine whether the relation is a function.
{(-2, -5), (-1, -3), (-2, 6), (5, 7)}
A. The relation is a function (-2, -1, 5 -> -5, 6, -3, 7)
B. The relation is not a function (-2, -1, 5 -> -5, 6, -3, 7)
C. The relation is a function (-5, -3, 6, 7 -> -2, -1, 5)
D. The relation is not a function (-5, -3, 6, 7 -> -2, -1, 5)