4. Sets, Functions, and Relations

Functions And Inverses — Quiz

Test your understanding of functions and inverses with 5 practice questions.

Practice Questions

Question 1

Let $f(x)=2x+3$. What is $f(4)$?

Question 2

What is the inverse of $f(x)=x-5$?

Question 3

Which relation is a function?

Question 4

A function has an inverse that is also a function only if it is:

Question 5

If $f(x)=3x$, what is $f^{-1}(12)$?