Question

find the range and domain of modulus function shown​

Answer 1

Answer:

Domain = (- ∞ , ∞ )

Range = [ 0 , ∞ )

• Note
• ( ) is called open bracket means do not take the peak value
• E.g (2 , 7) then it contains no. 3 to 6 but not 2 and 7

• Note
• [ ] is called closed brackets contains all the values.