If $f(x)=4x^3+1$, find $f^{-1}(33)$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $f(x)=4x^3+1$, find $f^{-1}(33)$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
If $f(x)=4x^3+1$, find $f^{-1}(33)$.
train