Select the correct answer.
Which graphs represent functions?

Graph A plots rise and decline curves intersecting at (negative 3, 0). Graph B plots example (negative 1, 1) and (1, 5), Graph C plots example (negative 2, negative 2) and (1, 5). Graph D plots rise and decline curves through (1, negative 2).

A.
Graph A only
B.
Graph D only
C.
Graph B and Graph D
D.
Graph C and Graph D