Which relations are functions?


Choose all answers that are correct.


A.

A curve that increases from left to right is plotted on a coordinate grid. The curve goes through point negative 2, negative 3, point negative 1, negative 1, point 0, 0, point 1, 1, and point 2, 3.


B.

x −2 0 3 5

y 1 3 2 3



C.

A set of points are plotted on a coordinate grid. The points include point 5, 4, point 4, 1, point 3, 5, point 3, negative 2, point 2, 2, point 1, 0, and point negative 1, 3.


D.

{(−3, 5), (−1, 3), (2, 2), (2, 6)}