1.	When is the function f(x) = continuous at x = 2?
		A.	never	B.	sometimes
		C.	not enough information is given	D.	always
		Hint
	2.	Describe the end behavior of f(x) = x2 + 1.
		A.	As x , f(x) , and as x , f(x) .
		B.	As x , f(x) , and as x , f(x) .
		C.	As x ,f(x) , and as x , f(x) .
		D.	none of these
		Hint
	3.	Describe the end behavior of this function:
		A.	y as x , y as x
		B.	y 3 as x , y 3 as x
		C.	y 0 as x , y 0 as x
		D.	y -2 as x , y -2 as x
		Hint
	4.	Describe the end behavior of the function: f(x) = x4 - x3 + x2 + x - 1
		A.	f(x) as x , f(x) as x
		B.	f(x) as x , f(x) as x
		C.	f(x) as x , f(x) as x
		D.	f(x) as x , f(x) as x
		Hint
	5.	Determine the intervals on which the function f(x) = is increasing and the intervals on which the function is decreasing.
		A.	increasing for all x
		B.	increasing for x < -1 and x > -1
		C.	increasing for x < -1 and decreasing for x > -1
		D.	decreasing for x < -1 and increasing for x > -1
		Hint