NDA2013MathematicsFunctionsActual
What is the range of the function f(x)= |x| x , x 0 ?
Options
- ASet of all real numbers
- BSet of all integers
- C-1,1
- D-1,0,1
Correct answer
C. -1,1
Step-by-step solution
aligned & x 0 ; f(x)= x x =1 & x 0 ; f(x)=- x x =-1 & Range = -1,1 aligned