Use the Function $f ( x , y ) = \frac { \ln ( 10 x y ) } { 8 x ^ { 2 } + 6 y ^ { 2 } }$

question 4

Multiple Choice

Use the function $f ( x , y ) = \frac { \ln ( 10 x y ) } { 8 x ^ { 2 } + 6 y ^ { 2 } }$ to find $f ( 2,7 )$

• A) \(f ( 2,7 ) = \frac { \ln 140 } { 58 }\)
• B) \(f ( 2,7 ) = \frac { \ln 140 } { 416 }\)
• C) \(f ( 2,7 ) = \frac { \ln 20 } { 326 }\)
• D) \(f ( 2,7 ) = \frac { \ln 70 } { 424 }\)
• E) \(f ( 2,7 ) = \frac { \ln 140 } { 326 }\)

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