PLZ HELP FOR BRAINLIEST!!!

The graph of a function is shown:
scatterplot of the following points: negative 3 and 2, negative 2 and negative 1, 2 and negative 1, and 3 and 3

Which of the following correctly identifies the set of outputs?
A) {–3, –2, 3}
B) {–1, 2, 3}
C) {(–3, 2), (–2, 1), (3, 3), (3, –1)}
D) {(2, –3), (1, –2), (3, 3), (–1, 3)}