1.	Find log 47.2 to four decimal places.
		A.	3.8544	B.	0.6739
		C.	2.0791	D.	1.6739
		Hint
	2.	Solve 4x = 22 to three decimal places.
		A.	2.230	B.	3.961
		C.	3.414	D.	5.500
		Hint
	3.	Solve 32x -1 = 25.6 to three decimal places.
		A.	0.739	B.	1.204
		C.	4.767	D.	1.976
		Hint
	4.
		A.	±1.022	B.	-2.266
		C.	1.022	D.	1.648
		Hint
	5.	Solve 3x + 4 = 7x - 1 to three decimal places.
		A.	7.483	B.	-1.993
		C.	2.397	D.	1.254
		Hint