Try moving the black point around.
These graphs were adapted from a graph created and shared by Paula Beardell Kreig in the tweet below.
A little late night play with @desmos https://t.co/Yx0fIeJnYC and Adobe pic.twitter.com/7sLdkoUfVL— Paula Beardell Krieg (@PaulaKrieg) September 15, 2021
A little late night play with @desmos https://t.co/Yx0fIeJnYC and Adobe pic.twitter.com/7sLdkoUfVL