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Sketch a graph of `f(x) = {(x+28,"if",x le -5),(x^2-4,"if",-5 lt x le -1),(-x-4,"if",x gt -1):}` 

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MathQuill
   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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