Which of the following tables represents a function?

x 2 2 3 3
y 5 −5 6 −6

x 4 −4 4 −4
y 1 2 3 4

x 6 6 7 7
y 2 3 4 5

x 2 −2 4 −4
y 8 8 12 12

Question

Which of the following tables represents a function?

x	2	2	3	3
y	5	−5	6	−6

x	4	−4	4	−4
y	1	2	3	4

x	6	6	7	7
y	2	3	4	5

x	2	−2	4	−4
y	8	8	12	12

Axolotl · Answer

I believe it's D, but I'm not sure

itsmehjay · Answer

In order for a table to represent a function, the domain (or x) cannot repeat itself

itsmehjay · Answer

which answer choice shows a table with a domain that's not repeating?

Axolotl · Answer

@itsmehjay wrote:

which answer choice shows a table with a domain that's not repeating?

x 2 −2 4 −4 y 8 8 12 12

Axolotl · Answer

?...

itsmehjay · Answer

@axolotl wrote:

@itsmehjay wrote:

which answer choice shows a table with a domain that's not repeating?

x 2 −2 4 −4 y 8 8 12 12

YURP

Axolotl · Answer

It's that one? :)

itsmehjay · Answer

yUp it's D good job

Axolotl · Answer

@itsmehjay wrote:

yUp it's D good job

yay thank you!

itsmehjay · Answer

@axolotl wrote:

@itsmehjay wrote:

yUp it's D good job

yay thank you!

Of course! e.e