explain image and preimage more clearlly with some example plz explain it - Maths - Relations and Functions

Question

explain image and preimage more clearlly with some example plz
explain it

Prateek Singh Bedi · Answer

Hope you get it
<img src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5ccc90a5c08bb%20png">

explain image and preimage more clearlly with some example.....plz explain it