For the function f whose graph is given, state the value of each quantity, if it exists. (If an answer does not exist, enter DNE.) \text { (a) } \lim _{x \rightarrow 1} f(x) \text { (b) } \lim _{x \rightarrow 3^{-}} f(x) \text { (c) } \lim _{x \rightarrow 3^{+}} f(x) \text { (d) } \lim _{x \rightarrow 3} f(x) \text { (e) } f(3)

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