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