If $f(x) = \dfrac{1}{x + 2},$ what is $f(f(1))$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $f(x) = \dfrac{1}{x + 2},$ what is $f(f(1))$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\dfrac{3}{7}
If $f(x) = \dfrac{1}{x + 2},$ what is $f(f(1))$?
train