Use the properties of logarithms to rewrite the logarithm if possible. Assume that all variables represent positive real numbers.logn 

A.  logn 9 +  logn x -  logn z
B.  logn 9 -  logn x -  logn z
C.  logn 9 +  logn x +  logn z
D. logn 9 + 8 logn x - 7 logn z

Answer: A

Mathematics

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