# Can a graph of a rational function have no vertical asymptote?

Space and Astronomy**Not all rational functions will have vertical asymptotes**. Algebraically, for a rational function to have a vertical asymptote, the denominator must be able to be set to zero while the numerator remains a non-zero value.

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## How do you graph a rational function with no vertical asymptotes?

Video quote: *Remember our definition of domain the set of all values. Real numbers that make that are true for the function is plus or minus I a real number no.*

## Can a graph of a rational function have no vertical asymptote Yes No correct your answer is correct explain select all that apply?

O **There is no vertical asymptote if the factors in the denominator of the function are also factors in the numerator**. There is no vertical asymptote if the degree of the numerator of the function is greater than the degree of the denominator. It is not possible. Rational functions always have vertical asymptotes.

## Does the graph of every rational function have a vertical asymptote Why?

Terms in this set (5) Note that the quotient of a linear polynomial ax+b and a constant polynomial c is a rational function, which does not have a vertical asymptote. **Every rational function has at least one asymptote**.

## When there is no vertical asymptote?

Vertical asymptote of a rational function occurs when denominator is becoming zeroes. If a function like any polynomial y=x2+x+1 has no vertical asymptote at all because **the denominator can never be zeroes**.

## How do you know if a rational function has a vertical asymptote?

Vertical asymptotes can be found by **solving the equation n(x) = 0 where n(x) is the denominator of the function** ( note: this only applies if the numerator t(x) is not zero for the same x value). Find the asymptotes for the function . The graph has a vertical asymptote with the equation x = 1.

## What must be true about a rational function for it to not have any vertical asymptotes?

**Vertical asymptotes occur only when the denominator is zero**. In other words, vertical asymptotes occur at singularities, or points at which the rational function is not defined. Vertical asymptotes only occur at singularities when the associated linear factor in the denominator remains after cancellation.

## Why do some graphs not have vertical asymptotes?

2 Answers By Expert Tutors. **If we set the denominator equal to zero and solve for x, we won’t get a real solution**. Therefore, the graph does not have any vertical asymptotes. Therefore, the function is continuous.

## How do you graph a rational function with no horizontal asymptote?

Video quote: *So in the graph crosses the x axis we know y equals zero for the y intercept that's where the graph crosses the y intercept or the y axis.*

## Why can a rational function only have one horizontal asymptote?

Video quote: *Amal Kumar and here is an excellent question on horizontal asymptote so multiple choice question for you you need to find horizontal asymptotes for the given function the question is horizontal*

## Can a graph have two vertical asymptotes?

**More complicated rational functions may have multiple vertical asymptotes**. These asymptotes are very important characteristics of the function just like holes. Both holes and vertical asymptotes occur at x values that make the denominator of the function zero.

## Can the graph of a rational function have three vertical asymptotes?

Hence, it occurs at values that make the denominator of the rational function equal to zero. **A rational function can have as many vertical asymptotes as possible**.

## How many vertical asymptotes Can a graph have?

A graph can have **an infinite number** of vertical asymptotes. has n vertical asymptotes; namely, x=1 , x=2 , x=3 , and x=n . (Remark: A graph has at most two horizontal asymptotes.)

## How many vertical asymptotes can a rational function have?

A rational function can have at most two horizontal asymptotes, at most one oblique asymptote, and **infinitely many** vertical asymptotes.

## Do all rational functions have a horizontal asymptote?

Finding Horizontal Asymptote **A given rational function will either have only one horizontal asymptote or no horizontal asymptote**. Case 1: If the degree of the numerator of f(x) is less than the degree of the denominator, i.e. f(x) is a proper rational function, the x-axis (y = 0) will be the horizontal asymptote.

## Which function has no horizontal asymptote?

The rational function **f(x) = P(x) / Q(x)** in lowest terms has no horizontal asymptotes if the degree of the numerator, P(x), is greater than the degree of denominator, Q(x).

## Can the graph of a rational function cross its horizontal asymptote?

Notice that, while the graph of a rational function will never cross a vertical asymptote, **the graph may or may not cross a horizontal or slant asymptote**. Also, although the graph of a rational function may have many vertical asymptotes, the graph will have at most one horizontal (or slant) asymptote.

## Do graphs of polynomial functions have vertical asymptotes?

The graphs of polynomial functions have **no vertical asymptotes**.

## Can polynomial functions have vertical or horizontal asymptotes?

, because polynomials can always be defined on the whole real line. So, **we cannot find the vertical asymptotes** (the only ones that can be found in correspondence of finite boundary points).

## Do cubic graphs have asymptotes?

For cubic curves, therefore, **there can be no more than three asymptotes**. In fact, cubic curves exist with 0, 1, 2, or 3 real asymptotes.

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