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Domain of Rational Functions Video 4

Author: John Fisk

The following problem is solved in this video. It is recommended that you try to solve the problem before watching the video. You can click "Reveal Answer" to see the answer to the problem.

Problem: Find the domain of the function and any holes or vertical asymptotes: \(f(x)=\dfrac{x^2+x}{x^3+2x^2+x}\)

Domain: \((-\infty,-1)\cup(-1,0)\cup (0,\infty)\)
Hole when \(x=0\)
Vertical Asymptote: \(x=-1\)

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