1.	What type of function is ?
		A.	inverse variation function	B.	square root function
		C.	absolute value function	D.	direct variation 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.	absolute value	B.	square root
		C.	rational	D.	quadratic
		Hint
	4.	Which of the following types of functions is always continuous on its domain?
		A.	greatest integer	B.	rational
		C.	inverse variation	D.	square root
		Hint
	5.	What type of function is y = 2?
		A.	absolute value	B.	direct variation
		C.	constant	D.	rational
		Hint