3
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the value of $f(-1)$ if $f(x)=x^{2}-2x$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3
What is the value of $f(-1)$ if $f(x)=x^{2}-2x$?
train