Vertical asymptote
Definition
A vertical asymptote is a vertical line that a graph approaches but never touches. It occurs when the function approaches infinity or negative infinity as x approaches a certain value.
Related terms
Horizontal asymptote: A horizontal line that a graph approaches as x approaches positive or negative infinity.
Limit: The value that a function approaches as x gets arbitrarily close to a particular value.
Rational function: A function that can be expressed as the quotient of two polynomials.
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