Question

Which of the tables represents a function?

Table A
Input Output
4 3
3 2
2 1
Table B
Input Output
1 3
3 5
3 7
Table C
Input Output
0 0
1 4
1 5
Table D
Input Output
4 1
4 2
4 3

Answer 1

a function: "for every input there is only ONE output".

Answer 2

ok
but i still dont understnad..

Answer 3

cancel out the answer choices where you see multiple outputs for a single input value
like 4, 5 and 4,6

Answer 4

lol

Answer 5

if u have something like this
input output

4 6
4 7

it is not a function because 4 has two ouputs.

Answer 6

oh

Answer 7

so it would be A!

Answer 8

Yes!

Answer 9

yay!!!