Menu Close

If-f-x-x-then-is-fof-x-f-x-

Tinku Tara 0 Comments
Pin




Question Number 24612 by rish@bh last updated on 22/Nov/17
If f(x) = [x] then is fof(x) = f(x)?
Iff(x)=[x]thenisfof(x)=f(x)?
Answered by jota last updated on 22/Nov/17
Yes. [x]>= 0 ⇒ [[x]]=[x]
Yes.[x]>=0⇒[[x]]=[x]
Commented by rish@bh last updated on 22/Nov/17
Thanks!
Thanks!
Commented by kaivan.ahmadi last updated on 13/Dec/17
if x∈R⇒fof(x)=f([x])=[[x]]=[x]=f(x)
ifx∈R⇒fof(x)=f([x])=[[x]]=[x]=f(x)

Pin

Leave a Reply

Your email address will not be published. Required fields are marked *