logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
0 votes

If $f:R\rightarrow R\:\:and\:\:f(x)=|x|$ and $A=(0,1)$, then find $f^{-1}(A)$

(A) $(-1,1)$ (B) $(0,1)$ (C) $(-1,0)$ (D) None of these
Can you answer this question?
 
 

1 Answer

0 votes
$f^{-1}(A)=\{x\in R:f(x)\in A\}$
$\Rightarrow\:|x|\in (0,1)$
$\Rightarrow\:0<|x|<1$
$\Rightarrow\:-1<x<1$

 

answered May 27, 2013 by rvidyagovindarajan_1
 

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...