Practice math with beautiful VINTAGE Flash Cards!This version is: High School Math, Algebra 1, Functions & Relations, Function Notation, Function Notation Word Problems, Interpreting and evaluating functions written as f(x) These vintage flash cards include 25 questions with answers on the back. They are ready to print and cut, and come in three printable versions: Full Color, Black & White, and Plain. Editable versions of each are also included, so the questions and answers can be deleted and r