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Consider y=log2(x−3). When y=5,x=?

 Feb 16, 2015

Best Answer 

 #1
avatar+128707 
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y=log2(x−3). When y=5,x=?

5 = log2 (x - 3)   says, in exponential terms

2^5 = x - 3      add 3 to  both sides

32 + 3 = x   = 35

 

 Feb 16, 2015
 #1
avatar+128707 
+5
Best Answer

y=log2(x−3). When y=5,x=?

5 = log2 (x - 3)   says, in exponential terms

2^5 = x - 3      add 3 to  both sides

32 + 3 = x   = 35

 

CPhill Feb 16, 2015

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