wordfence domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /chroot/home/af727348/b3f3cd6edd.nxcli.io/html/wp-includes/functions.php on line 6131
A function $f(x)$ is a relation between a set of inputs (called the domain) and a set of possible outputs (called the range).