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.
Keywords from Image Description:
Hyperbola.svg hyperbola Made in KMPlot from the parametric function cosh sinh The graph was then mirrored around the yaxis in Inkscape to form the lefthand side The hyperbola in the previous version of the file was made up of blobs and not all of them were aligned correctly converted it to highresolution using Media own engine and