Question

Help.? medal & fan.


Determine which relation is a function.

{(−4, 3), (−2, 3), (−1, 2), (2, 5), (3, 2)}
{(−4, 1), (−2, 3), (−2, 1), (−1, 5), (3, 2)}
{(−4, 1), (−2, 3), (−1, 2), (3, 5), (3, 2)}
{(−4, 1), (−2, 3), (−1, 1), (−1, 5), (3, 2)}

Answer 1

for a function you have to consider these two points

1. All the elements of domain must be used
2. Each element of domain must have only and only one image .

Answer 2

@dopeeaf what do you think which one is correct answer.

Answer 3

Uhmm, C or D , not sure

Answer 4

no A is correct answer

Answer 5

Ohhhh