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Easy

Question

# How can you graph a rational function ?

## The correct answer is: 3. Find the x -intercept (s) and y -intercept of the rational function, if any

### A rational function is a function that is the ratio of polynomials. Any function of one variable, x, is called a rational function if, it can be represented as f(x) =, where p(x) and q(x) are polynomials such that q(x) ≠ 0.

Rational functions are of the form y=f(x)y=fx , where f(x)fx is a rational expression .

- Find the asymptotes of the rational function, if any.
- Draw the asymptotes as dotted lines.
- Find the x -intercept (s) and y -intercept of the rational function, if any.
- Find the values of y for several different values of x .
- Plot the points and draw a smooth curve to connect the points. Make sure that the graph does not cross the vertical asymptotes.

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