I dint understand the graph for f(1)= |x|-1..as at x=0 f(1)= -1 but according to graph shown it is 1..please explain.. Reply
f(1) is shown as -1 only? You are possibly confusing with |f(1)| which would be 1 as modulus is always positive. regards J Reply
CAT-holics 
I dint understand the graph for f(1)= |x|-1..as at x=0 f(1)= -1 but according to graph shown it is 1..please explain..
f(1) is shown as -1 only? You are possibly confusing with |f(1)| which would be 1 as modulus is always positive.
regards
J