Question

Which of the following relations is a function?


A. (3,4), (-2, 2), (9, 1), (-7, 2)


B. (3,4), (-2, 6), (3, 3), (-7, 2)


C. (9,1), (-2, 4), (3, 1), (9, 2)


D. (3,0), (-2, 3), (9, 1), (-2, 5)

Answer 1

Hi there. This is basically the same as all your previosu questions. did you have a question about how to solve it?

Answer 2

The thing is that i did these already, but i want to be sure because im not in the perfect time to be making errors lol...

Answer 3

OK what did you put as the answer for this one?

Answer 4

I have D

Answer 5

No ... remember, it's a function only if each X value has exactly one Y value. In D, -2 is both 3 and 5.

Answer 6

so it would be C ?

Answer 7

Why C?

Answer 8

Because of the values

Answer 9

What are you looking for in the values?

Answer 10

The X value is the first item and the Y value is the second.

Answer 11

But for example in C, the numbers arent repeated... Im soo tired lol -.-

Answer 12

What about the first and fourth value?

Answer 13

Omg didnt even notice Oo

Answer 14

So what would it be ?

Answer 15

Can you find one that has no repeated X values?

Answer 16

A !