1.	Which of the following types of functions is always continuous on its domain?
		A.	square root	B.	inverse variation
		C.	rational	D.	greatest integer
		Hint
	2.	Which function does not have a value of 1 when x = 1?
		A.		B.
		C.		D.
		Hint
	3.	Which type of function looks like a direct variation function when x > 0?
		A.	absolute value function	B.	rational function
		C.	quadratic function	D.	square root function
		Hint
	4.	When will it be true that ?
		A.	only when x is not an integer	B.	always
		C.	never	D.	only when x is an integer
		Hint
	5.	What type of function is y = 2?
		A.	constant	B.	direct variation
		C.	absolute value	D.	rational
		Hint