We have $f(-2) = 5(-2)^2 + 3(-2) + 4 = 5(4) -6 + 4 = \boxed{18}$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $f(x)=5x^2+3x+4$, what is the value of $f(-2)$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
18
If $f(x)=5x^2+3x+4$, what is the value of $f(-2)$?
test