If $f(x)=x^3-8$, what is $f^{-1}(f(f^{-1}(19)))$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $f(x)=x^3-8$, what is $f^{-1}(f(f^{-1}(19)))$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3
If $f(x)=x^3-8$, what is $f^{-1}(f(f^{-1}(19)))$?
train