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Find the domain and the vertical asymptote of `y = log(5-4x)`.

The domain, in interval notation, is:  

The equation of the vertical asymptote is  

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   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
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