1.	Solve log4 3 + log4 x = log4 18.
		A.	54	B.	6
		C.	15	D.	12
		Hint
	2.	Solve log5 ( x + 2) + log5 ( 2x - 1) = 2.
		A.		B.	, 3
		C.	no solution	D.	3
		Hint
	3.	Given that log710 1.18, find log7 1000.
		A.	3.85	B.	3.54
		C.	2.54	D.	1.64
		Hint
	4.	Given that log 8 10 1.11 and log 8 60 1.97, find log 8 6.
		A.	1.77	B.	1.16
		C.	0.86	D.	3.08
		Hint
	5.	Use log 3 4 1.26 to approximate the value of log 3 108.
		A.	3.78	B.	4.26
		C.	36	D.	2.38
		Hint