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Use the Properties of Logarithms to Expand the Expression as a Sum,difference,and/or

Question 20

Multiple Choice

Use the properties of logarithms to expand the expression as a sum,difference,and/or constant multiple of logarithms.(Assume all variables are positive. ) ? log⁡x2y47\log \sqrt [ 7 ] { \frac { x ^ { 2 } } { y ^ { 4 } } } ?


A) 27log⁡x−47log⁡y\frac { 2 } { 7 } \log x - \frac { 4 } { 7 } \log y
B) 114log⁡x+128log⁡y\frac { 1 } { 14 } \log x + \frac { 1 } { 28 } \log y
C) 72log⁡x+74log⁡y\frac { 7 } { 2 } \log x + \frac { 7 } { 4 } \log y
D) 14log⁡x+28log⁡y14 \log x + 28 \log y
E) 27log⁡x+47log⁡y\frac { 2 } { 7 } \log x + \frac { 4 } { 7 } \log y

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