Question

State which of the following ordered pairs is a function.

Set A: (-1,0), (-2, 1), (4, 3), (3, 4)
Set B: (1, 4), (2, 3), (3, 2), (4,1)
Set C: (2, 1), (3, 2), (2, 3), (1, 4)
Set A
b. Set B
C. Both Set A and Set B
d. Set C
a.

Answer 1

C. Both Set A and Set B

Explanation:

because for any domain ,you will get only one range value ,

but ,there are two range values for 2 in set c , so this is not a function