1.	State the domain of the relation whose graph is shown.
		A.	{0}	B.	{-1, 4, 1, 2}
		C.	{-2, -1, 2}	D.	{-2, -1, 0, 2}
		Hint
	2.	State the range of the function represented by the graph.
		A.	{1, 2, 4}	B.	{-1, 1, 2, 4}
		C.	{-2, -1, 0, 2}	D.	{-1, 1, 2}
		Hint
	3.	Which graph represents a function?
		A.		B.
		C.		D.
		Hint
	4.	Is the relation {(3, 4), (3, 7), (-6, 4), (4,4)} a function? State why or why not.
		A.	no; values in the domain have more than one value in the range.
		B.	no; values in the range have more than one value in the domain.
		C.	yes; values in the domain have one value in the range.
		D.	yes; values in the domain have more than one value in the range.
		Hint
	5.	Is the relation {(-3, 2), (-3, -6), (2, 4), (3, 4)} a function?
		A.	yes; values in the domain have one value in the range
		B.	yes; values in the domain have more than one value in the range.
		C.	no; values in the range have more than one value in the domain.
		D.	no; values in the domain have more than one value in the range.
		Hint