Sheet 3 Functions - Ordered Pairs
A) State whether each set of ordered pairs represents a function.
1) {(0, 2), (15,-2), (3,7), (2,5),(-2,-4), (1,7), (-11,7)}
2) {(-11, -2), (20, 15),(-12,0), (19,-13)}
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3) ((16,-4), (9,-1), (3,-2), (8, -1), (13,0), (-17, 16)}
4) {(-8, -13), (-7,3), (5, -9), (-7, 18), (4,3), (0, -10)}