1.	The set of all first coordinates, or x-coordinates, from the ordered pairs in a relation is called the_______.
		A.	domain	B.	related coordinates
		C.	range	D.	ordered coordinates
		Hint
	2.	The set of all second coordinates, or  y-coordinates, of the ordered pairs in a relation is called the______.
		A.	domain	B.	ordered coordinates
		C.	related coordinates	D.	range
		Hint
	3.	Which table is represented by the graph?
		A.
		B.
		C.
		D.
		Hint
	4.	Which is not a method for showing a relation?
		A.	circle graph	B.	a set of ordered pairs
		C.	graph	D.	table
		Hint
	5.	Refer to the graph. Determine the range.
		A.	{3.1, 3.2, 3.4, 3.6, 3.6, 3.7, 4.3, 4.5, 4.7, 4.8}
		B.	{1982, 1983,1984,1985, 1986, 1987, 1988,1989, 1990, 1991}
		C.	{2.1, 2.6, 2.7, 3.0, 3.0, 3.7, 4.3, 4.5, 5.4, 5.0}
		D.	{1984, 1985, 1986, 1987, 1988, 1990, 1993, 1995, 1997, 1999}
		Hint