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$${\frac{{\mathtt{5}}}{{{\mathtt{9}}}^{{\mathtt{x}}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{1}}}{{{\mathtt{9}}}^{{\mathtt{y}}}}} = {\mathtt{7}}$$

difficulty advanced
Guest Jun 7, 2015

Best Answer 

 #2
avatar+88899 
+10

Because we have two variables and only one equation, we will have infinite solutions......here's a graph....https://www.desmos.com/calculator/quay485peu

 

Interestingly, the graph has an asymptote at x = 0, but it only exists on the left side of this asymptote......also.....the graph looks as though it has almost a linear form when x is less than about -1

 

 

CPhill  Jun 8, 2015
 #2
avatar+88899 
+10
Best Answer

Because we have two variables and only one equation, we will have infinite solutions......here's a graph....https://www.desmos.com/calculator/quay485peu

 

Interestingly, the graph has an asymptote at x = 0, but it only exists on the left side of this asymptote......also.....the graph looks as though it has almost a linear form when x is less than about -1

 

 

CPhill  Jun 8, 2015
 #3
avatar+93342 
0

Thanks Chris, that is a really weird graph  :/

Melody  Jun 9, 2015

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