NDA2023MathematicsFunctionsActual
What is the range of the function f(x)=x+|x| if the domain is the set of real numbers?
Options
- A(0, )
- B[0, )
- C(- , )
- D[1, )
Correct answer
B. [0, )
Step-by-step solution
f(x)=x+|x| when x 0, f(x)=x-x=0 when x 0, f(x)=x+x=2 x f(x) (0, )