1.	If the lumber mill can turn out 900 units of product each week and must produce 100 units of lumber and 400 units of plywood, graph the systems of inequalities. Let x = units of lumber, and y = units of plywood.
		A.
		B.
		C.
		D.
		Hint
	2.	The profit for each unit of lumber is $40 and the profit for each unit of plywood is $60. Write a profit function P(x, y) if x = the number of units of lumber and y = the number of units of plywood.
		A.	P(x, y) = 60x + 40y	B.	P(x, y) = 40x - 60y
		C.	P(x, y) = 60x - 40y	D.	P(x, y) = 40x + 60y
		Hint
	3.	Find the maximum value of f(x, y) = 2x + y - 4 for the system of inequalities: y -3x + 1 y x - 4 x 0 y 0
		A.	2	B.	infeasible
		C.	alternate optimal solutions	D.	unbounded
		Hint
	4.	Sam has $10,000 to deposit in two different savings accounts. He wants at least $3,000 in the account that earns 3% interest. He wants no less than $5,000 in the account with 7% interest. Write a system of inequalities to represent this situation.
		A.	x 3000 y 5000 x + y 10,000	B.	x 5000 y 3000 x + y 10,000
		C.	x 3000 y 5000 x + y 10,000	D.	x 3000 y 5000 x + y 10,000
		Hint
	5.	Sam has $10,000 to deposit in two different savings accounts. He wants at least $3,000 in the account with 3% interest. He wants no less than $5,000 in the account with 7% interest.Graph this system of inequalities.
		A.		B.
		C.		D.
		Hint