How do you find the domain and range of $y=|x-3|$ ?

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Answer 1 · 2016-07-23T18:23:14

Domain is $RR$ .

Range is $[0, oo) = RR^+uu{0}$ .

Observe that in $y=|x-3|, x$ can any value from $RR$ .

Hence, Domain is $RR$ .

Also, $AA x in RR, |x-3|>=0$ .

Hence, Range is $[0, oo) = RR^+uu{0}$ .

How do you find the domain and range of y=|x-3|y=|x-3|?