To find the output of f(-2), substitute -2 for x in the function rule:
f(-2) = (-2)^2 - 2(-2) + 4
f(-2) = 4 + 4 + 4
f(-2) = 12
Therefore, the output of f(-2) is 12.
Given the function rule f(x)=x^2-2x+4, what is the output of f(-2)?
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