Question: In Exercises 1-4, determine whether the statement is true or false. Justify your answer. 1. When the graph of a rational function f has a

In Exercises 1-4, determine whether the statement is true or false. Justify your answer.
1. When the graph of a rational function f has a vertical asymptote at x = 5, it is possible to sketch the graph without lifting your pencil from the paper.
2. The graph of a rational function can never cross one of its asymptotes.
3. The graph of f (x) = x2 / x + 1 has a slant asymptote.
4. The graph of every rational function has a horizontal asymptote.

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