1.	Solve = 3.
		A.	3	B.	2, 3
		C.	2	D.	-1
		Hint
	2.	Decompose into partial fractions.
		A.		B.
		C.		D.
		Hint
	3.	Solve > 0.
		A.	-1 < x < 0 or x > 2	B.	-2 < x < 0 or x > 2
		C.	-2 < x < 0 or x < 1	D.	-1 < x < 0 or x > 1
		Hint
	4.	Solve + < .
		A.	a < 0 or 0 < a < 5	B.	a < 0 or a > 5
		C.	0 < a < 5	D.	a > 0 or 0 < a < 5
		Hint
	5.	Solve - x + 1 = 0.
		A.	1, -2	B.	-1, -2
		C.	1, 2	D.	-1, 2
		Hint