Match the functions with one of the graphs below.

A		B
C		D

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	1.	$y = -4+\log_{2} x$
	2.	$y = \log_{2}(x-2)$
	3.	$y = 2+\log_{2}x$
	4.	$y = -\log_{2}(x+4)$

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Note: You can click on the graphs to enlarge the images.

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