SOLUTION: Give an example of a limit of a rational function where the limit at -1 exists, but the rational function is undefined at -1. (I have spent half of the day on this question and I c

Question 886062: Give an example of a limit of a rational function where the limit at -1 exists, but the rational function is undefined at -1. (I have spent half of the day on this question and I cannot figure it out.) Thank you.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
consider the rational function f(x) = -x / (x+1)
the limit of f(x) approaches -1 as x approaches infinity yet
the function is undefined at x = -1 since the denominator is 0 at x = -1

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