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 relation is not a function.	D.	The range is {-3, -2, 0, 1}.
		Hint
	2.	Determine which equation represents a function.
		A.	x = y2 - 1	B.
		C.	x = 4	D.	y = -2x + 1
		Hint
	3.	In a science experiment, students hung a cup from a spring and measured the length of the spring when candies were added to it. Their data are shown in the table below. Which statement is true?
		A.	The relation is a function because the range values increase.
		B.	The relation is not a function because there are two y values for some x values.
		C.	The relation is not a function because only a line can be a function.
		D.	The relation is a function because for each x value, there is exactly one y value.
		Hint
	4.	Given the function f(x) = x2 + 9, find f(-3).
		A.	18	B.	12
		C.	0	D.	6
		Hint
	5.	Find the domain of the relation shown in the graph.
		A.	{-3, -2, -1, 0, 1, 2, 3, 5}	B.	{0, 1, 2, 3}
		C.	{-3, -2, -1, 0, 1, 3}	D.	{-2, -1, 1, 2, 3, 5}
		Hint