1.	State the excluded values of x in the expression .
		A.	, 3, or 4	B.	or 3
		C.	or - 3	D.
		Hint
	2.	Simplify .
		A.		B.	2x
		C.		D.	5x
		Hint
	3.	Simplify .
		A.		B.
		C.		D.
		Hint
	4.	Simplify .
		A.		B.
		C.	2	D.
		Hint
	5.	Simplify . State the excluded values of x.
		A.	, excluded value is 3	B.	, excluded values are 1 and 3
		C.	, excluded values are 1 and 3	D.	, excluded value is 3
		Hint