"Show that the modulus   function `f: R-R` , given by `f(x)=|x|` is neither one-one nor   onto."
Channel: Doubtnut
Date: 2020-06-28

"Show that the modulus
 
  function `f: R-R`
 , given by `f(x)=|x|`
 is neither one-one nor
 
  onto."