Question

Which relation is also a function? A. {(-5, 3) (6, 3) (1, 3) (2, 3)} B. {(-1, 5) (2, 6) (1, 5) (2, 8)} C. {(3, 6) (3, -2) (3, 4) (3, 0)} D. {(0, -2) (1, 7) (2, 3) (0, -1)}

Answer 1

A. {(-5, 3) (6, 3) (1, 3) (2, 3)}

Explanation:

The relation with no duplicate "x" values is also a function.

B: x=2 appears twice

C: x=3 appears 4 times

D: x=0 appears twice