This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Real Number Line.svg Real Number line from to LaTeX for the line and hash marks Inkscape for the text remake of file on the commons Martin SmithMartinez Public Domain Image RealNumberLine real number line
Page 2023 Free-images.com. All images are Public Domain