1.	State the domain of the relation whose graph is shown.
		A.	{0}	B.	{-2, -1, 2}
		C.	{-1, 4, 1, 2}	D.	{-2, -1, 0, 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 {(4, 6), (7, 6), (-2, 6), (0, 6)} a function?
		A.	no; values in the domain have more than 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.	yes; values in the domain have 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 more than 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 one value in the range
		Hint