DNE.) \text { (a) } \lim _{x \rightarrow \infty} f(x) \text { (b) } \lim _{x \rightarrow-\infty} f(x) \text { (c) } \lim _{x \rightarrow 1} f(x) \text { (d) } \lim _{x \rightarrow 3} f(x) (e) the equations of the asymptotes (Enter your answers as comma-separated lists.)
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