2. Functions

Inverse Functions — Quiz

Test your understanding of inverse functions with 5 practice questions.

Practice Questions

Question 1

What is the main idea of an inverse function?

Question 2

Find the inverse of $f(x)=3x-5$.

Question 3

If the point $(2,7)$ lies on $y=f(x)$, which point lies on $y=f^{-1}(x)$?

Question 4

If $f$ has an inverse, what is $f(f^{-1}(x))$ equal to?

Question 5

Which function is one-to-one and therefore has an inverse over all real numbers?