Redirected from Asymptotic
A specific example of asymptotes can be found in the graph of the function f(x) = 1 / x, in which two asymptotes are being approached: the line y = 0 and the line x = 0. The curve approaches them, but, never reaches them. A curve approaching a vertical asymptote (such as in the preceding example's y = 0, which has an undefined slope) could be said to approach an "infinite limit", although infinity is not technically considered a limit. A curve approaching a horizontal asymptote (such as in the preceding example's x = 0, which has a slope of 0) does approach a "true limit".
Asymptotes do not need to be parallel to the x and yaxes, as shown by the graph of x + x^{1}, which is asymptotic to both the yaxis and the line y = x.
A function f(x) can be said to be asymptotic to a function g(x) as x>∞. This has any of four distinct meanings:
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