Algebra 1 | Unit 4 | Lesson 16: Finding and Interpreting Inverse Functions | Practice Problems

Tickets to a family concert cost $10 for adults and $3 for children. The concert organizers collected a total of $900 from ticket sales. If 140 children were at the concert, how many adults attended?

A school group has $600 to spend on T-shirts. The group is buying from a store that gives them a $5 discount off the regular price per shirt. Is one function an inverse of the other? Explain how you know.

• Each equation could represent a function.

• The two equations represent two functions that are inverses of one another.