Question Number 102721 by bramlex last updated on 10/Jul/20

f(((100x−1)/(50x+1))) = 2x−1 & f^(−1) (3)= p  p=?

Commented bybramlex last updated on 10/Jul/20

f^(−1) (3)=p ⇔f(p)=3  2x−1 = 3 ; x=2 then p =  ((100.2−1)/(50.2+1)) = ((199)/(101)) •

Answered by mathmax by abdo last updated on 10/Jul/20

f(((100x−1)/(50x+1))) =2x−1 ⇒f^(−1) (2x−1) =((100x−1)/(50x+1))  x=2 ⇒f^(−1) (2.2−1) =((200−1)/(100+1)) ⇒f^(−1) (3) =((199)/(101))