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