1.	If and , find the approximate value of log2 15.
		A.	0.7369	B.	3.9069
		C.	3.6802	D.	1.4649
		Hint
	2.	Solve log4 3 + log4 x = log4 18.
		A.	15	B.	12
		C.	6	D.	54
		Hint
	3.	Given that log710 1.18, find log7 1000.
		A.	2.54	B.	1.64
		C.	3.54	D.	3.85
		Hint
	4.	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.	2.72
		C.	16	D.	1.11
		Hint
	5.	Solve the equation 2 log 6 x – log 6 5 = log 6 125.
		A.	no solution	B.	312.5
		C.	25	D.	–25
		Hint