1.	Evaluate .
		A.	11	B.	12
		C.	7	D.	9
		Hint
	2.	Evaluate .
		A.	0	B.	2
		C.	does not exist	D.	-2
		Hint
	3.	Evaluate .
		A.	2	B.
		C.	0	D.	-2
		Hint
	4.	If for x ? 0, then what is ?
		A.	The limit does not exist.	B.	1
		C.	-1	D.	0
		Hint
	5.	Find .
		A.	0	B.	-1
		C.	1	D.
		Hint