Use the properties of logarithms to rewrite the logarithm if possible. Assume that all variables represent positive real numbers.logn 
A. 
logn 4 + 
logn x - 
logn z
B. logn 4 + 2 logn x - 9 logn z
C. 
logn 4 - 
logn x - 
logn z
D. 
logn 4 + 
logn x + 
logn z
Answer: A
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