The graph of the piecewise function is shown.
What is the range of f(x)?
A) { f(x)| –∞ < f(x) < ∞}
B) { f(x)| –∞ < f(x) ≤ 4}
C) { f(x)| 4 < f(x) < ∞}
D) { f(x)| 0 ≤ f(x) < ∞}
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