Vertical asymptote
whenever you have a limit in which x approaches a from the left or right or left and right and f(x) approaches positive or negative infinity, then x = a is a vertical asymptote of the graph. Example:lim ( x→ a^+) f(x) = ∞. x = a is a vertical asymptote of this graphAlso, the natural log function has a vertical asymptote as x approaches zero from the right, which looks likelim ( x→ 0^+) In x = -∞.
A vertical asymptote is a vertical line on a graph where the function approaches infinity or negative infinity, but does not cross or touch the line. In other words, a vertical asymptote is a boundary that indicates where the function blows up or becomes undefined.
The most common reason for a graph to have a vertical asymptote is that the function has a denominator that approaches zero as x approaches a certain value. For example, the function f(x) = 1/(x-3) has a vertical asymptote at x = 3 because the denominator becomes zero at that point, and the function becomes undefined.
To find the equation of a vertical asymptote, we need to determine the value of x that makes the denominator of the function equal to zero. This value of x is the equation of the vertical asymptote. For example, the equation of the vertical asymptote for the function f(x) = 1/(x-3) is x = 3.
Vertical asymptotes can be very important in understanding the behavior of a function. They can help us identify where the function is undefined or where it has an infinite limit. They can also help us determine the domain and range of a function, and can be used to find the limits of a function as x approaches a certain value.
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