1.	Which statement is true about the graph shown below?
		A.	The relation is a function.	B.	The domain is {-3, 2, 4}.
		C.	The range is {-3, -2, 0, 1}.	D.	The relation is not a function.
		Hint
	2.	Choose the graph that is not a function.
		A.		B.
		C.		D.
		Hint
	3.	Choose the relation that is a function.
		A.		B.
		C.		D.
		Hint
	4.	Determine which equation represents a function.
		A.	x = 4	B.
		C.	y = -2x + 1	D.	x = y2 - 1
		Hint
	5.	Graph the relation represented by y = x2 – x + 1.
		A.		B.
		C.		D.
		Hint