1.	If and , find the approximate value of log2 15.
		A.	0.7369	B.	3.6802
		C.	1.4649	D.	3.9069
		Hint
	2.	Solve log4 3 + log4 x = log4 18.
		A.	12	B.	54
		C.	6	D.	15
		Hint
	3.	Solve log3 (x + 4) - log3 (x - 2) = 2 log3 2.
		A.	8	B.	6
		C.	4	D.	9
		Hint
	4.	Given that log 8 10 1.11 and log 8 60 1.97, find log 8 6.
		A.	3.08	B.	1.77
		C.	1.16	D.	0.86
		Hint
	5.	Use the fact that log 5 8 1.29 and log 5 10 1.43 to approximate the value of log 5 80.
		A.	1.84	B.	1.11
		C.	2.72	D.	16
		Hint