IMathAS-libretexts

Select all of the following tables which represent functions.

$\displaystyle {x}$	$\displaystyle {y}$
-2	-3
2	3
4	5
9	8
10	15

$\displaystyle {x}$	$\displaystyle {y}$
-2	-1
3	2
5	2
9	7
16	11

$\displaystyle {x}$	$\displaystyle {y}$
-4	-1
2	3
4	6
7	9
2	3

$\displaystyle {x}$	$\displaystyle {y}$
-4	-5
2	3
2	5
9	8
14	10

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