College

Dear beloved readers, welcome to our website! We hope your visit here brings you valuable insights and meaningful inspiration. Thank you for taking the time to stop by and explore the content we've prepared for you.
------------------------------------------------ Given that [tex]$L_1$[/tex] is parallel to the [tex]$x$[/tex]-axis, write down the equation of [tex]$L_1$[/tex].

(Note: [tex]$L_1$[/tex] is parallel to the [tex]$x$[/tex]-axis and passes through the point [tex]$A$[/tex] at [tex]$(0,4)$[/tex].)