Question

Select either relation (if the set is a relation but not a function), function (if the set is both a relation and a function), or neither (if the set is not a relation).

A = {(1, 2) (2, 2) (3, 2) (4, 2)}

Answer 1

@sleepyjess @sleepyhead314

Answer 2

Hi!!

Answer 3

i am not so sleepy but i can help you maybe

Answer 4

are all the first coordinates different? or is there a repeat?

Answer 5

Okay..lol Is it a function, relation, or neither?

Answer 6

The first coordinates are different, yes.

Answer 7

then it IS a function

Answer 8

That's what I had! Thank you:)

Answer 9

\[\color\magenta\heartsuit\]

Answer 10

So if there's more than one of the same input, it would be a relation, right?

Answer 11

yes

Answer 12

just not a function

Answer 13

I'll post a new question:)

Answer 14

@misty1212
Just for curiosity, would these points
(1, 2) (2, 2) (3, 2) (4, 2),(4,2)
make a function?