2. Functions

Rational Functions — Quiz

Test your understanding of rational functions with 5 practice questions.

Practice Questions

Question 1

What is a rational function?

Question 2

For the function $f(x)=\frac{1}{x-3}$, what value of $x$ is not allowed in the domain?

Question 3

What is the horizontal asymptote of $f(x)=\frac{2x+1}{x-4}$?

Question 4

What is the vertical asymptote of $f(x)=\frac{x+5}{x^2-9}$?

Question 5

Which function has a removable discontinuity, also called a hole, at $x=2$?