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Which of the following is the range of the function:

$$ f(x) = -\frac { 1 }{ 2 } |x-2| + 3 $$

$ \{ y:y>3\} $

$ \{ y:y<3\} $

$ \{ y:y\le 3\} $

$ \{ x:-4

$ \{ x:-4\le x\le 8\} $