Question

Which relation is a function?

Answer 1

A.


{(–5, 1), (4, 9), (6, 10)}











B.


{(0, 3), (0, 9), (12, –4)}











C.

{(5, 5), (5, 9), (5, 15)}











D.


{–2, 10), (–6, 10), (–2, 3)}

Answer 2

jeez can't read all this, but the one or more that is a function is the ones that have no repeats in the first coordinates

Answer 3

for example \( \{–2, 10), (–6, 10), (–2, 3)\}\)
is not a function because of the repeated \(-2\)

Answer 4

ooh I see thx

Answer 5

A?

Answer 6

yw
i think A has no repeats, and the rest do