
	1.	Which is the graph of the inequality y < x² -2x - 8?
		A.		B.
		C.		D.
		Hint

	2.	Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225?
		A.	$2.50-$4.50	B.	$3.00-$4.50
		C.	$2.25-$2.50	D.	$2.00-$4.00
		Hint

	3.	Solve by graphing.
		A.	{x\| 0 < x < 3.12}	B.	{x\| –1.12 < x < 0}
		C.	{x\| 0 < x < 3}	D.	{x\| –1.12 < x < 3.12}
		Hint

	4.	When is it true that ?
		A.		B.	-1
		C.	all real numbers	D.
		Hint

	5.	Solve by graphing.
		A.	{x\| –1.19 < x < 4.19}
		B.	{x\| 0 < x < 4.19}
		C.	{x\| –1.19 < x < 0}
		D.	{x\| 4.19< x < –1.19}
		Hint