Use a Graphing Utility to Graph the Functions Given by $y _ { 1 } = \ln ( x ) - \ln ( x - 4 )$

Short Answer

Use a graphing utility to graph the functions given by
​ $y _ { 1 } = \ln ( x ) - \ln ( x - 4 )$ ​
and
​ $y _ { 2 } = \ln \frac { x } { x - 4 }$ ​
in the same viewing window.
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