The sign diagram seems to treat the vertical asymptote the same way as it does the hole.
Notice that the sign diagram does not contain information about the horizontal asymptote.
f(x) =(x(x+1))/((x-1)(x+1))
| Graph of f(x) |
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| Sign Diagram of f(x) The sign diagram seems to treat the vertical asymptote the same way as it does the hole. Notice that the sign diagram does not contain information about the horizontal asymptote. |
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last modified December 16, 2010