1.	What type of function is ?
		A.	absolute value function	B.	inverse variation function
		C.	direct variation function	D.	square root function
		Hint
	2.	Which of the following is a rational function?
		A.		B.
		C.		D.
		Hint
	3.	Which of the following types of functions may have a hole?
		A.	quadratic	B.	square root
		C.	rational	D.	absolute value
		Hint
	4.	Which type of function looks like a direct variation function when x > 0?
		A.	quadratic function	B.	rational function
		C.	square root function	D.	absolute value function
		Hint
	5.	What type of function is y = 2?
		A.	absolute value	B.	constant
		C.	direct variation	D.	rational
		Hint