Let $f ( x , y ) = \ln ( x - 2 y )$ .(a) Evaluate $f ( 3,1 )$ .(b) Sketch the domain of $f$ .(c) What is the range of the function $f$ ?

Name: Let $f ( x , y ) = \ln ( x - 2 y )$ .(a) Evaluate $f ( 3,1 )$ .(b) Sketch the domain of $f$ .(c) What is the range of the function $f$ ?
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The Answer of Let $f ( x , y ) = \ln ( x - 2 y )$ .(a) Evaluate $f ( 3,1 )$ .(b) Sketch the domain of $f$ .(c) What is the range of the function $f$ ?

Let f(x,y)=ln⁡(x−2y)f ( x , y ) = \ln ( x - 2 y )f(x,y)=ln(x−2y)

Let $f ( x , y ) = \ln ( x - 2 y )$