any ideas? I cant understand what its asking and although i'm trying my best i don't get it

Answer:
{ x: x€R | x≤7, x }
Step-by-step explanation:
I think they are asking set builder form for the expression
For any other explaination or enquiry pleas ask me down in comments...
Answer:
” THE TIMES they are A -changin
Step-by-step explanation: