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 is always continuous on its domain?
		A.	inverse variation	B.	rational
		C.	square root	D.	greatest integer
		Hint
	4.	Which function does not have a value of 1 when x = 1?
		A.		B.
		C.		D.
		Hint
	5.	When will it be true that ?
		A.	always	B.	only when x is not an integer
		C.	only when x is an integer	D.	never
		Hint