Use the definition of the logarithmic function to find x. (a) log2 x = 4 x

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Use the definition of the logarithmic function to find x.

(a)    
log2 x = 4

x =  

(b)    
log2 4 = x

x = 
Jul 17th, 2015

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Jul 17th, 2015

a)  log2 x = 4  =>   ln(x) / ln(2) = 4  =>  ln(x) = 4ln(2)   =>   x = 16  

b)  log2 4 = x   =>    ln(4)/ln(2) = x  =>   x = 2


Good Luck 

Jul 17th, 2015

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