Question

Which set of ordered pairs represents a function?

{
(
−
2
,
4
)
,
(
−
1
,
6
)
,
(
−
6
,
3
)
,
(
−
6
,
4
)
}
{(−2,4),(−1,6),(−6,3),(−6,4)}

{
(
5
,
5
)
,
(
9
,
5
)
,
(
−
8
,
0
)
,
(
−
7
,
8
)
}
{(5,5),(9,5),(−8,0),(−7,8)}

{
(
−
2
,
6
)
,
(
8
,
−
3
)
,
(
−
8
,
4
)
,
(
8
,
−
8
)
}
{(−2,6),(8,−3),(−8,4),(8,−8)}

{
(
−
2
,
−
1
)
,
(
−
1
,
6
)
,
(
2
,
4
)
,
(
−
2
,
−
9
)
}
{(−2,−1),(−1,6),(2,4),(−2,−9)}

Answer 1

B is the answer hope i helped

Answer 2

the second one

Explanation:

in order for it to be a function the x values CANNOT repeat.

in answer a the x value -6 repeats so that cannot be a function

in answer b none of the x values repeat so its probably this one but lets check the other ones just in case

in answer c the x value 8 repeats so it cannot be this one

in answer d the x value -2 repeats so it cant be this one \

b is the only one that does have repeating x values therefore it is the second one