For each of the following relation tables answer T if the relation is a function and F if it is not.

1		1.2				|				1		4.2				|				1		1.7				|				1		1.7
2		2.5				|				2		2.5				|				2		2.4				|				2		2.7
3		3.1				|				3		2.5				|				2		3.5				|				1		2.7
4		4.7				|				4		1.9				|				4		4.4				|				3		2.7
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