Write as the sum and/or difference of logarithms. Express powers as factors.ln 
, x > 9
A. ln 6 + ln x + 
ln (1 + 3x) - 7ln (x - 9)
B. 6ln x + 
ln (1 + 3x) - 7ln (x - 9)
C. ln 6 + ln x - 9ln (1 + 3x) - 7ln (x - 9)
D. ln 6 + ln x + 
ln (1 + 3x) - ln 7 - ln (x - 9)
Answer: A
Mathematics
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