Question and Answers Forum

All Questions      Topic List

None Questions

Previous in All Question      Next in All Question      

Previous in None      Next in None      

Question Number 4946 by FilupSmith last updated on 25/Mar/16

Lets say y=f(x):∀x∈R,y∈R    if a=constent  Does there exist f(a)=a  for any function y=f(x)?  Please prove/disprove

$$\mathrm{Lets}\:\mathrm{say}\:{y}={f}\left({x}\right):\forall{x}\in\mathbb{R},{y}\in\mathbb{R} \\ $$$$ \\ $$$$\mathrm{if}\:{a}=\mathrm{constent} \\ $$$$\mathrm{Does}\:\mathrm{there}\:\mathrm{exist}\:{f}\left({a}\right)={a} \\ $$$$\mathrm{for}\:\mathrm{any}\:\mathrm{function}\:{y}={f}\left({x}\right)? \\ $$$$\mathrm{Please}\:\mathrm{prove}/\mathrm{disprove} \\ $$

Commented by prakash jain last updated on 25/Mar/16

f(x)=x⇒f(a)=a

$${f}\left({x}\right)={x}\Rightarrow{f}\left({a}\right)={a} \\ $$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com