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The following graph represents a function `f(x)`.



Evaluate `f(1)`.

`f(1)=`

Solve `f(x) = 1`.

`x=`

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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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